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1 alarm
1. noun1) (sudden fear: We did not share her alarm at the suggestion.) susto2) (something that gives warning of danger, attracts attention etc: Sound the alarm!; a fire-alarm; ( also adjective) an alarm clock.) alarme2. verb(to make (someone) afraid: The least sound alarms the old lady.) assustar- alarming- alarmingly* * *a.larm[əl'a:m] n 1 alarma, alarme. he sounded an alarm / ele deu o alarme. 2 susto, sobressalto, temor. 3 alerta, rebate, sinal de perigo. 4 o que alarma. 5 aparelho de alarme, despertador. • vt 1 alarmar, prevenir, alertar. 2 amedrontar, assustar, inquietar. false alarm alarme falso. fire alarm alarme de incêndio. to be alarmed at (by) ficar inquieto por causa de. to take alarm at inquietar-se, pressentir um perigo. -
2 alarm
1. noun1) (sudden fear: We did not share her alarm at the suggestion.) receio2) (something that gives warning of danger, attracts attention etc: Sound the alarm!; a fire-alarm; ( also adjective) an alarm clock.) alarme2. verb(to make (someone) afraid: The least sound alarms the old lady.) alarmar- alarming- alarmingly -
3 burglar alarm
noun (an alarm against burglaries.) -
4 burglar alarm
noun (an alarm against burglaries.) alarme contra roubo -
5 security
noun (the state of being, or making safe, secure, free from danger etc: the security of a happy home; This alarm system will give the factory some security; There has to be tight security at a prison; ( also adjective) the security forces; a security guard.) segurança* * *se.cu.ri.ty[sikj'uəriti] n 1 segurança, seguridade, despreocupação. 2 certeza. 3 proteção, defesa. 4 garantia, fiança. 5 fiador. to give security dar fiança. -
6 security
noun (the state of being, or making safe, secure, free from danger etc: the security of a happy home; This alarm system will give the factory some security; There has to be tight security at a prison; ( also adjective) the security forces; a security guard.) segurança -
7 set
[set] 1. present participle - setting; verb1) (to put or place: She set the tray down on the table.) pôr2) (to put plates, knives, forks etc on (a table) for a meal: Please would you set the table for me?) pôr3) (to settle or arrange (a date, limit, price etc): It's difficult to set a price on a book when you don't know its value.) pôr4) (to give a person (a task etc) to do: The witch set the prince three tasks; The teacher set a test for her pupils; He should set the others a good example.) dar5) (to cause to start doing something: His behaviour set people talking.) pôr6) ((of the sun etc) to disappear below the horizon: It gets cooler when the sun sets.) pôr-se7) (to become firm or solid: Has the concrete set?) endurecer8) (to adjust (eg a clock or its alarm) so that it is ready to perform its function: He set the alarm for 7.00 a.m.) pôr9) (to arrange (hair) in waves or curls.) pentear10) (to fix in the surface of something, eg jewels in a ring.) encastoar11) (to put (broken bones) into the correct position for healing: They set his broken arm.) endireitar2. adjective1) (fixed or arranged previously: There is a set procedure for doing this.) prescrito2) ((often with on) ready, intending or determined (to do something): He is set on going.) decidido3) (deliberate: He had the set intention of hurting her.) deliberado4) (stiff; fixed: He had a set smile on his face.) fixo5) (not changing or developing: set ideas.) fixo6) ((with with) having something set in it: a gold ring set with diamonds.) engastado3. noun1) (a group of things used or belonging together: a set of carving tools; a complete set of (the novels of) Jane Austen.) colecção2) (an apparatus for receiving radio or television signals: a television/radio set.) aparelho3) (a group of people: the musical set.) conjunto4) (the process of setting hair: a shampoo and set.) penteado5) (scenery for a play or film: There was a very impressive set in the final act.) cenário6) (a group of six or more games in tennis: She won the first set and lost the next two.) set•- setting- setback
- set phrase
- set-square
- setting-lotion
- set-to
- set-up
- all set
- set about
- set someone against someone
- set against someone
- set someone against
- set against
- set aside
- set back
- set down
- set in
- set off
- set something or someone on someone
- set on someone
- set something or someone on
- set on
- set out
- set to
- set up
- set up camp
- set up house
- set up shop
- set upon* * *[set] n 1 jogo, grupo, conjunto, coleção, série. 2 sociedade, facção. 3 grupo, círculo. 4 conjunto de piadas e estórias no espetáculo de um comediante. 5 Theat, Cin cenário. 6 Radio aparelho, receptor, emissor. 7 porte, posição, forma, ajuste. 8 direção, tendência, curso, rumo. 9 inclinação, deslocação. 10 planta, muda, rebento. 11 fruta recentemente formada da flor. 12 solidificação, endurecimento. 13 Tennis set: série de seis pontos. 14 ato de amarrar (de um cão de caça). 15 ninhada de ovos. 16 trava de serra. 17 última demão de reboque. • vt+vi (ps, pp set) 1 pôr, colocar, localizar, assentar, adaptar, plantar. 2 ajustar, endireitar. 3 regular, acertar. 4 fixar, estabelecer, definir. 5 determinar. 6 apontar, designar. 7 marcar, fixar. 8 dar (exemplo). 9 ligar, firmar. 10 ficar firme, solidificar, coalhar, endurecer, pegar (cimento). 11 montar, engastar. 12 adornar, ornamentar. 13 descer, pôr-se (sol), baixar (maré). 14 chocar, pôr para chocar, colocar ovos para chocar. 15 amarrar (cão de caça). 16 cair, assentar-se, adaptar-se, servir (vestido). 17 tender, dirigir-se, rumar, soprar, vir de (vento). 18 começar a mover-se, pôr-se em movimento. 19 aplicar-se. 20 formar fruta. 21 adaptar. 22 pôr em música, compor. 23 Typogr compor. 24 afiar, assentar (corte de faca, etc.). 25 reduzir (osso deslocado). 26 meter velas. • adj 1 fixado, estabelecido, predeterminado, prescrito. 2 fixo, rígido, imóvel, estacionário. 3 obstinado, aferrado. 4 firme, duro, endurecido. 5 decidido. it was set before him foi apresentado a ele. my set purpose minha firme intenção. to set about começar, tomar providências, iniciar. he doesn’t know how to set about it / ele não sabe como começá-lo. to set apart pôr de lado, reservar. to set a poem to music pôr versos em música. to set aside desprezar, pôr de lado. to set at defiance desafiar. to set back atrasar (relógio), retroceder, impedir, parar. to set behind colocar atrás, descuidar. to set by reservar, separar para uso no futuro. to set down depositar, descer, registrar. to set eyes on something ver, perceber, notar alguma coisa. to set fire to pôr fogo em, acender. to set forth mostrar, demonstrar, anunciar, levantar, partir. to set forward promover, ajudar, continuar, viajar, partir, sair de viagem. to set free liberar. to set in começar, iniciar. a heavy storm set in / caiu um forte temporal. to set in motion pôr em movimento. to set in order arrumar, pôr em ordem. to set off against destacar-se de. to set on incitar, instigar, atacar. to set one’s hand to meter mãos à obra. to set out plantar, enfeitar, adornar, demonstrar, delimitar, exibir, partir, levantar, levantar-se, pôr-se a caminho. to set pen to paper começar a escrever. to set right corrigir. to set someone up as judge arvorar-se em juiz. to set to começar a brigar. to set to work começar a trabalhar, fazer trabalhar. to set up levantar, montar, comprar, iniciar (negócio), fundar, instalar, auxiliar, ajudar, soltar (grito), estabelecer, instituir, estabelecer-se, tornar-se independente. he set up for himself / ele começou a trabalhar por conta própria. to set up a reserve instituir um fundo de reserva. to set up in print compor, tipografar. with set teeth com os dentes cerrados. -
8 sound
I adjective1) (strong or in good condition: The foundations of the house are not very sound; He's 87, but he's still sound in mind and body.) forte2) ((of sleep) deep: She's a very sound sleeper.) profundo3) (full; thorough: a sound basic training.) sólido4) (accurate; free from mistakes: a sound piece of work.) sólido5) (having or showing good judgement or good sense: His advice is always very sound.) seguro•- soundly- soundness
- sound asleep II 1. noun1) (the impressions transmitted to the brain by the sense of hearing: a barrage of sound; ( also adjective) sound waves.) som2) (something that is, or can be, heard: The sounds were coming from the garage.) som3) (the impression created in the mind by a piece of news, a description etc: I didn't like the sound of her hairstyle at all!) ideia2. verb1) (to (cause something to) make a sound: Sound the bell!; The bell sounded.) tocar2) (to signal (something) by making a sound: Sound the alarm!) tocar3) ((of something heard or read) to make a particular impression; to seem; to appear: Your singing sounded very good; That sounds like a train.) parecer4) (to pronounce: In the word `pneumonia', the letter p is not sounded.) pronunciar(-se)5) (to examine by tapping and listening carefully: She sounded the patient's chest.) auscultar•- soundlessly
- sound effects
- soundproof 3. verb(to make (walls, a room etc) soundproof.) tornar à prova de somIII verb(to measure the depth of (water etc).) sondar- sounding- sound out* * *sound1[saund] n 1 som, o que se pode ouvir. 2 vibrações sonoras. 3 tom, ruído. 4 distância dentro da qual um ruído pode ser ouvido. 5 Phon som, combinação de vogais. 6 barulho. • vt+vi 1 soar, emitir um som ou ruído. 2 fazer soar, tocar. they sounded the alarm / deram sinal de alarme. 3 ser ouvido, retinir, ressoar. 4 auscultar. 5 dirigir pelo som. 6 anunciar. he sounds the retreat / ele dá sinal para a retirada. 7 parecer. that sounds fine / isto soa bem. you sound disappointed / você parece desapontado. to sound off expressar-se pública e ofensivamente. to stay within sound ficar dentro do alcance do ouvido.————————sound2[saund] n 1 estreito, canal, braço de mar. 2 Ichth bexiga natatória.————————sound3[saund] n Med sonda. • vt+vi 1 sondar, medir a profundidade. 2 examinar, testar (trazendo uma amostra da profundidade). 3 inquirir, investigar, examinar. 4 mergulhar, afundar. 5 Med auscultar. to sound out sondar, investigar, inquirir cautelosamente.————————sound4[saund] adj 1 sem defeito, inteiro, intato, ileso, bom, perfeito. 2 são, sadio. 3 forte, seguro, confiável. 4 sólido. 5 correto, acertado, razoável, sensato. 6 legal, leal, honrado, idôneo. 7 profundo (sono), eficiente. • adv profundamente. to be safe and sound estar são e salvo. to be sound as a bell (roach, trout) ser completamente sadio. to have a sound mind in a sound body ter mente sã num corpo são. to have a sound knowledge ter um conhecimento sólido. -
9 set
[set] 1. present participle - setting; verb1) (to put or place: She set the tray down on the table.) colocar2) (to put plates, knives, forks etc on (a table) for a meal: Please would you set the table for me?) pôr3) (to settle or arrange (a date, limit, price etc): It's difficult to set a price on a book when you don't know its value.) estabelecer4) (to give a person (a task etc) to do: The witch set the prince three tasks; The teacher set a test for her pupils; He should set the others a good example.) dar5) (to cause to start doing something: His behaviour set people talking.) provocar6) ((of the sun etc) to disappear below the horizon: It gets cooler when the sun sets.) pôr-se7) (to become firm or solid: Has the concrete set?)8) (to adjust (eg a clock or its alarm) so that it is ready to perform its function: He set the alarm for 7.00 a.m.) ajustar9) (to arrange (hair) in waves or curls.) arrumar, ajeitar10) (to fix in the surface of something, eg jewels in a ring.) incrustar11) (to put (broken bones) into the correct position for healing: They set his broken arm.) ajustar2. adjective1) (fixed or arranged previously: There is a set procedure for doing this.) estabelecido2) ((often with on) ready, intending or determined (to do something): He is set on going.) resolvido a3) (deliberate: He had the set intention of hurting her.) firme4) (stiff; fixed: He had a set smile on his face.) fixo5) (not changing or developing: set ideas.) firme, rígido6) ((with with) having something set in it: a gold ring set with diamonds.) incrustado de3. noun1) (a group of things used or belonging together: a set of carving tools; a complete set of (the novels of) Jane Austen.) conjunto, coleção2) (an apparatus for receiving radio or television signals: a television/radio set.) aparelho3) (a group of people: the musical set.) conjunto4) (the process of setting hair: a shampoo and set.) arranjo, mise en plis5) (scenery for a play or film: There was a very impressive set in the final act.) cenário6) (a group of six or more games in tennis: She won the first set and lost the next two.) set•- setting- setback - set phrase - set-square - setting-lotion - set-to - set-up - all set - set about - set someone against someone - set against someone - set someone against - set against - set aside - set back - set down - set in - set off - set something or someone on someone - set on someone - set something or someone on - set on - set out - set to - set up - set up camp - set up house - set up shop - set upon -
10 launch
I 1. [lo:n ] verb1) (to make (a boat or ship) slide into the water or (a rocket) leave the ground: As soon as the alarm was sounded, the lifeboat was launched; The Russians have launched a rocket.) lançar2) (to start (a person, project etc) off on a course: His success launched him on a brilliant career.) lançar3) (to throw.) atirar2. noun((an) act of launching.) lançamento- launch into
- launch out II [lo:n ] noun(a large, power-driven boat, usually used for short trips or for pleasure: We cruised round the bay in a motor launch.) lancha* * *[lɔ:ntʃ] n 1 lançamento. 2 inauguração, estréia. 3 lancha. • vt+vi 1 lançar (navio, foguete, etc.). 2 Com começar (um negócio). 3 arremessar. 4 Com lançar (produto). 5 encaminhar (alguém em um negócio ou profissão). to launch out iniciar. -
11 launch
I 1. [lo:n ] verb1) (to make (a boat or ship) slide into the water or (a rocket) leave the ground: As soon as the alarm was sounded, the lifeboat was launched; The Russians have launched a rocket.) lançar2) (to start (a person, project etc) off on a course: His success launched him on a brilliant career.) lançar3) (to throw.) lançar2. noun((an) act of launching.) lançamento- launch into - launch out II [lo:n ] noun(a large, power-driven boat, usually used for short trips or for pleasure: We cruised round the bay in a motor launch.) lancha -
12 burglar
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13 clock
[klok] 1. noun1) (an instrument for measuring time, but not worn on the wrist like a watch: We have five clocks in our house; an alarm clock (= a clock with a ringing device for waking one up in the morning).) relógio2) (an instrument for measuring speed of a vehicle or distance travelled by a vehicle: My car has 120,000 miles on the clock.) conta-quilómetros2. verb(to register (a time) on a stopwatch etc.) cronometrar- clockwork
- clock in
- out/on
- off
- clock up
- like clockwork
- round the clock* * *clock1[klɔk] n 1 relógio (não-portátil). 2 medidor, registrador. 3 taxímetro. 4 Comp velocidade de processamento dos dados a partir da freqüência de oscilação de um cristal. • vt 1 cronometrar, medir o tempo de. 2 registrar o tempo de. around the clock dia e noite. one o’clock uma hora. to beat the clock terminar uma tarefa antes do tempo previsto. to clock in (out) marcar a hora no começo (fim). to clock up coll 1 registrar distância percorrida, pontos ganhos, etc. 2 atingir certa velocidade. to know what o’clock it is estar bem acordado, ter conhecimento das coisas. to put the clock back, to turn the clock back 1 atrasar o relógio. 2 fig retroceder ao passado, dar um passo para trás. to put the clock forward adiantar o relógio. to set the clock acertar o relógio. to sleep the clock round Brit dormir no mínimo 12 horas. to watch the clock coll aguardar impacientemente a hora de parar de trabalhar. to work against the clock trabalhar contra o relógio (para cumprir um determinado prazo).————————clock2[klɔk] n baguete, pinha de meia. • vt enfeitar com baguete. -
14 fire
1. noun1) (anything that is burning, whether accidentally or not: a warm fire in the kitchen; Several houses were destroyed in a fire.) fogo2) (an apparatus for heating: a gas fire; an electric fire.) fogão3) (the heat and light produced by burning: Fire is one of man's greatest benefits.) fogo4) (enthusiasm: with fire in his heart.) entusiasmo/fogo5) (attack by gunfire: The soldiers were under fire.) fogo2. verb1) ((of china, pottery etc) to heat in an oven, or kiln, in order to harden and strengthen: The ceramic pots must be fired.) aquecer/cozer2) (to make (someone) enthusiastic; to inspire: The story fired his imagination.) despertar3) (to operate (a gun etc) by discharging a bullet etc from it: He fired his revolver three times.) disparar4) (to send out or discharge (a bullet etc) from a gun etc: He fired three bullets at the target.) disparar5) ((often with at or on) to aim and operate a gun at; to shoot at: They suddenly fired on us; She fired at the target.) disparar6) (to send away someone from his/her job; to dismiss: He was fired from his last job for being late.) despedir•- firearm
- fire-brigade
- fire-cracker
- fire-engine
- fire-escape
- fire-extinguisher
- fire-guard
- fireman
- fireplace
- fireproof
- fireside
- fire-station
- firewood
- firework
- firing-squad
- catch fire
- on fire
- open fire
- play with fire
- set fire to something / set something on fire
- set fire to / set something on fire
- set fire to something / set on fire
- set fire to / set on fire
- under fire* * *[f'aiə] n 1 fogo, lume, fogueira. 2 incêndio. 3 chama. 4 fig ardor, fervor, ímpeto, calor, furor, paixão, emoção, inspiração poética. 5 fuzilaria, descarga de armas de fogo, tiroteio. 6 brilho, resplendor, fulgor, raio, corisco, chispa, faísca. 7 conflagração, erupção, incandescência. 8 furor. • vt+vi 1 atear fogo a, incendiar, inflamar, queimar, abrasar. 2 explodir. 3 detonar, fazer fogo. 4 fig inflamar, estimular, animar, excitar, irritar. 5 lançar, arremessar, arder, luzir, iluminar, cintilar, fulgir, incandescer. 6 cauterizar. 7 demitir, despedir, destituir de emprego. 8 incendiar-se, inflamar-se. 9 desfechar, descarregar (arma de fogo), detonar, deflagrar. Fire away! desembuche, fale logo. cross-fire fogo cruzado. it’s on fire está pegando fogo. out of the frying pan into the fire pular da frigideira para o fogo, sair de uma situação ruim para outra pior. St. Anthony’s fire erisipela. St. Elmo’s fire fogo-de-santelmo. the fire of youth o fervor da mocidade. to be under fire estar exposto. to catch fire pegar fogo. to cease fire cessar fogo. to fight a fire lutar contra o fogo. to fight fire with fire responder na mesma moeda. to go through fire and water for fazer qualquer sacrifício por. to hang fire demorar para começar, hesitar, atrasar. to hold one’s fire controlar-se. to keep up the fire conservar o fogo. to play with fire brincar com o fogo, correr risco. to pour oil on the fire deitar lenha no fogo. to set fire atear fogo. to strike fire provocar entusiasmo. under fire debaixo de fogo. -
15 scare
[skeə] 1. verb(to startle or frighten: You'll scare the baby if you shout; His warning scared her into obeying him.) assustar2. noun1) (a feeling of fear or alarm: The noise gave me a scare.) susto2) (a feeling of fear or panic among a large number of people: a smallpox scare.) pânico•- scared- scarecrow
- scaremonger
- scare away/off* * *[skɛə] n susto, espanto, pânico. • vt+vi 1 espantar, assustar. 2 alarmar. -
16 burglar
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17 clock
[klok] 1. noun1) (an instrument for measuring time, but not worn on the wrist like a watch: We have five clocks in our house; an alarm clock (= a clock with a ringing device for waking one up in the morning).) relógio (não de pulso nem de bolso)2) (an instrument for measuring speed of a vehicle or distance travelled by a vehicle: My car has 120,000 miles on the clock.) velocímetro2. verb(to register (a time) on a stopwatch etc.) cronometrar- clockwork - clock in - out/on - off - clock up - like clockwork - round the clock -
18 fire
1. noun1) (anything that is burning, whether accidentally or not: a warm fire in the kitchen; Several houses were destroyed in a fire.) fogo2) (an apparatus for heating: a gas fire; an electric fire.) aquecedor3) (the heat and light produced by burning: Fire is one of man's greatest benefits.) fogo4) (enthusiasm: with fire in his heart.) ardor5) (attack by gunfire: The soldiers were under fire.) fogo2. verb1) ((of china, pottery etc) to heat in an oven, or kiln, in order to harden and strengthen: The ceramic pots must be fired.) queimar, cozer2) (to make (someone) enthusiastic; to inspire: The story fired his imagination.) inflamar3) (to operate (a gun etc) by discharging a bullet etc from it: He fired his revolver three times.) disparar4) (to send out or discharge (a bullet etc) from a gun etc: He fired three bullets at the target.) atirar5) ((often with at or on) to aim and operate a gun at; to shoot at: They suddenly fired on us; She fired at the target.) atirar6) (to send away someone from his/her job; to dismiss: He was fired from his last job for being late.) demitir•- firearm - fire-brigade - fire-cracker - fire-engine - fire-escape - fire-extinguisher - fire-guard - fireman - fireplace - fireproof - fireside - fire-station - firewood - firework - firing-squad - catch fire - on fire - open fire - play with fire - set fire to something / set something on fire - set fire to / set something on fire - set fire to something / set on fire - set fire to / set on fire - under fire -
19 scare
[skeə] 1. verb(to startle or frighten: You'll scare the baby if you shout; His warning scared her into obeying him.) assustar2. noun1) (a feeling of fear or alarm: The noise gave me a scare.) susto2) (a feeling of fear or panic among a large number of people: a smallpox scare.) pânico•- scared- scarecrow - scaremonger - scare away/off -
20 sound
I adjective1) (strong or in good condition: The foundations of the house are not very sound; He's 87, but he's still sound in mind and body.) forte2) ((of sleep) deep: She's a very sound sleeper.) pesado, profundo3) (full; thorough: a sound basic training.) sólido4) (accurate; free from mistakes: a sound piece of work.) sólido5) (having or showing good judgement or good sense: His advice is always very sound.) consistente•- soundly- soundness - sound asleep II 1. noun1) (the impressions transmitted to the brain by the sense of hearing: a barrage of sound; ( also adjective) sound waves.) som2) (something that is, or can be, heard: The sounds were coming from the garage.) som, barulho3) (the impression created in the mind by a piece of news, a description etc: I didn't like the sound of her hairstyle at all!) efeito2. verb1) (to (cause something to) make a sound: Sound the bell!; The bell sounded.) soar2) (to signal (something) by making a sound: Sound the alarm!) tocar3) ((of something heard or read) to make a particular impression; to seem; to appear: Your singing sounded very good; That sounds like a train.) parecer, soar4) (to pronounce: In the word `pneumonia', the letter p is not sounded.) pronunciar5) (to examine by tapping and listening carefully: She sounded the patient's chest.) auscultar•- soundlessly - sound effects - soundproof 3. verb(to make (walls, a room etc) soundproof.) tornar à prova de somIII verb(to measure the depth of (water etc).) sondar- sounding- sound out
См. также в других словарях:
alarm — noun 1 fear/worry ADJECTIVE ▪ considerable, great ▪ growing ▪ sudden ▪ public ▪ There is growing public alarm at this incre … Collocations dictionary
alarm clock — noun a clock that wakes a sleeper at some preset time • Syn: ↑alarm • Hypernyms: ↑clock * * * noun, pl ⋯ clocks [count] : a clock that can be set to sound an alarm at any desired time She set the alarm clock for six o clock. The alarm clock went… … Useful english dictionary
alarm — ► NOUN 1) anxious or frightened awareness of danger. 2) a warning of danger. 3) a warning sound or device. ► VERB 1) frighten or disturb. 2) (be alarmed) be fitted or protected with an alarm … English terms dictionary
alarm system — noun a device that signals the occurrence of some undesirable event • Syn: ↑alarm, ↑warning device • Hypernyms: ↑device • Hyponyms: ↑automobile horn, ↑car horn, ↑ … Useful english dictionary
alarm clock — ► NOUN ▪ a clock that can be preset to sound an alarm at a particular time, used to wake someone from sleep … English terms dictionary
alarm bell — noun the sound of an alarm (usually a bell) • Syn: ↑tocsin • Hypernyms: ↑alarm, ↑alert, ↑warning signal, ↑alarum … Useful english dictionary
alarm-bell — alarmˈ bell noun A bell warning of danger • • • Main Entry: ↑alarm … Useful english dictionary
alarm call — noun A telephone service by which a subscriber can arrange to be called at a particular time, eg to wake him or her in the morning • • • Main Entry: ↑alarm … Useful english dictionary
alarm-radio — alarmˈ radio noun A clock radio • • • Main Entry: ↑alarm … Useful english dictionary
alarm clock — noun Date: 1662 a clock that can be set to sound an alarm at a desired time … New Collegiate Dictionary
alarm bell — noun A sudden awareness of danger. He put his foot on a concealed button under his desk and rang an alarm bell. He always had two strongarm men lolling around in an office down the passage … Wiktionary