rat

rat

 (răt)

n.

1.

a. Any of various long-tailed rodents resembling mice but larger, especially one of the genus Rattus.

b. Any of various animals similar to one of these long-tailed rodents.

2. Slang

a. A despicable person, especially one who betrays or informs upon associates.

b. A scab laborer.

3. A pad of material, typically hair, worn as part of a woman's coiffure to puff out her own hair.

4. Slang A person who frequently passes time at a particular place. Often used in combination: a rink rat.

v. rat·ted, rat·ting, rats

v.intr.

1. To hunt for or catch rats, especially with the aid of dogs.

2. Slang To reveal incriminating or embarrassing information about someone, especially to a person in authority: ratted on his best friend to the police.

3. Slang To work as a scab laborer.

v.tr.

To puff out (the hair) with or as if with a pad of material.

Phrasal Verb:

rat out

Slang To reveal incriminating or embarrassing information about (someone), especially to a person in authority: ratted out the vandals to the school principal.

---

[Middle English, from Old English ræt; see rēd- in Indo-European roots.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

rat

(ræt)

n

1. (Animals) any of numerous long-tailed murine rodents, esp of the genus Rattus, that are similar to but larger than mice and are now distributed all over the world. See also brown rat, black rat

2. informal a person who deserts his or her friends or associates, esp in time of trouble

3. (Industrial Relations & HR Terms) informal a worker who works during a strike; blackleg; scab

4. slang chiefly US an informer; stool pigeon

5. informal a despicable person

6. smell a rat to detect something suspicious

vb, rats, ratting or ratted

7. informal

a. to divulge secret information (about); betray the trust (of)

b. to default (on); abandon: he ratted on the project at the last minute.

8. (Hunting) (intr) to hunt and kill rats

[Old English rætt; related to Old Saxon ratta, Old High German rato]

ˈratˌlike adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

rat

(ræt)

n., interj., v. rat•ted, rat•ting. n.

1. any of several long-tailed rodents of the Old World family Muridae, esp. of the genus Rattus, resembling but larger than mice.

2. any of various similar rodents of other families.

3. Slang. a scoundrel.

4. Slang.

a. a person who abandons or betrays associates.

b. an informer.

c. a scab laborer.

5. a roll of padding used to give shape or fullness to a woman's hairstyle.

6. Slang. a person who frequents a specified place: mall rat; gym rat.

interj.

7. rats, (used as an exclamation of disgust or disappointment.)

v.i.

8. Slang.

a. to inform on one's associates; squeal.

b. to work as a scab.

9. to hunt or catch rats.

v.t.

10. to dress (hair) with a rat or by teasing.

[before 1000; Middle English rat(t)e, Old English ræt]

rat′like`, adj.

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

rat

Past participle: ratted
Gerund: ratting

Imperative

rat

rat

Collins English Verb Tables © HarperCollins Publishers 2011

Thesaurus

Noun	1.	rat - any of various long-tailed rodents similar to but larger than a mouse gnawer, rodent - relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing pocket rat - any of various rodents with cheek pouches brown rat, Norway rat, Rattus norvegicus - common domestic rat; serious pest worldwide black rat, Rattus rattus, roof rat - common household pest originally from Asia that has spread worldwide bandicoot rat, mole rat - burrowing scaly-tailed rat of India and Ceylon jerboa rat - large Australian rat with hind legs adapted for leaping Oryzomys palustris, rice rat - hardy agile rat of grassy marshes of Mexico and the southeastern United States
	2.	rat - someone who works (or provides workers) during a strike blackleg, scab, strikebreaker worker - a person who works at a specific occupation; "he is a good worker"
	3.	rat - a person who is deemed to be despicable or contemptible; "only a rotter would do that"; "kill the rat"; "throw the bum out"; "you cowardly little pukes!"; "the British call a contemptible person a `git'" dirty dog, git, lowlife, puke, rotter, scum bag, skunk, so-and-so, stinker, stinkpot, bum, crumb disagreeable person, unpleasant person - a person who is not pleasant or agreeable
	4.	rat - one who reveals confidential information in return for money betrayer, blabber, informer, squealer canary, fink, snitch, stool pigeon, stoolie, stoolpigeon, sneaker, snitcher, sneak - someone acting as an informer or decoy for the police informant, source - a person who supplies information copper's nark, nark - an informer or spy working for the police supergrass, grass - a police informer who implicates many people
	5.	rat - a pad (usually made of hair) worn as part of a woman's coiffure pad - a flat mass of soft material used for protection, stuffing, or comfort coif, coiffure, hair style, hairdo, hairstyle - the arrangement of the hair (especially a woman's hair)
Verb	1.	rat - desert one's party or group of friends, for example, for one's personal advantage defect, desert - desert (a cause, a country or an army), often in order to join the opposing cause, country, or army; "If soldiers deserted Hitler's army, they were shot"
	2.	rat - employ scabs or strike breakers in manufacture, industry - the organized action of making of goods and services for sale; "American industry is making increased use of computers to control production" hire, employ, engage - engage or hire for work; "They hired two new secretaries in the department"; "How many people has she employed?"
	3.	rat - take the place of work of someone on strike blackleg, fink, scab do work, work - be employed; "Is your husband working again?"; "My wife never worked"; "Do you want to work after the age of 60?"; "She never did any work because she inherited a lot of money"; "She works as a waitress to put herself through college"
	4.	rat - give (hair) the appearance of being fuller by using a rat pad, fill out - line or stuff with soft material; "pad a bra"
	5.	rat - catch rats, especially with dogs capture, catch - capture as if by hunting, snaring, or trapping; "I caught a rabbit in the trap today"
	6.	rat - give away information about somebody; "He told on his classmate who had cheated on the exam" shit, tell on, snitch, stag, shop, denounce, give away, betray, grass inform - impart knowledge of some fact, state or affairs, or event to; "I informed him of his rights" sell out - give information that compromises others

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

rat

(Informal)

noun

1. traitor, grass (Brit. informal), betrayer, deceiver, informer, defector, deserter, double-crosser, quisling, stool pigeon, nark (Brit., Austral., & N.Z. slang), snake in the grass, two-timer (informal) He was known as `The Rat', even before the bribes had come to light.

2. rogue, scoundrel, heel (slang), shit (taboo slang), bastard (informal, offensive), cad (old-fashioned Brit. informal), bounder (old-fashioned Brit. slang), rotter (slang, chiefly Brit.), bad lot, shyster (informal, chiefly U.S.), ratfink (slang, chiefly U.S. & Canad.) What did you do with the gun you took from that little rat?

rat on someone betray, denounce, tell on, inform on, shop (slang, chiefly Brit.), grass (Brit. slang), peach (slang), squeal (slang), incriminate (informal), blow the whistle on (informal), spill the beans (informal), snitch (slang), blab, let the cat out of the bag, blow the gaff (Brit. slang), nark (Brit., Austral., & N.Z. slang), put the finger on (informal), spill your guts (slang), inculpate, clype (Scot.) They were accused of encouraging children to rat on their parents.

rat on something renege on, go back on, repudiate, default on, back out of, break a promise, welsh on (slang), break your word She claims he ratted on their divorce settlement.

smell a rat suspect something, doubt someone, distrust someone, mistrust someone, harbour suspicions about someone or something, have your doubts about someone or something If I don't send a picture, he will smell a rat.

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

rat

noun

1. Informal. One who betrays:

betrayer, double-crosser, Judas, traitor.

2. Informal. One who gives incriminating information about others:

informant, informer, tattler, tattletale.

Informal: tipster.

Slang: fink, snitch, snitcher, squealer, stoolie, stool pigeon.

3. Informal. A person who has defected:

apostate, defector, deserter, recreant, renegade, runagate, tergiversator, turncoat.

verb

1. Slang. To abandon one's cause or party usually to join another:

apostatize, defect, desert, renegade, tergiversate, turn.

Idioms: change sides, turn one's coat.

2. Slang. To be treacherous to.Also used with on:

betray, double-cross.

Slang: sell out.

Idiom: sell down the river .

3. Slang. To give incriminating information about others, especially to the authorities:

inform, talk, tattle, tip (off).

Informal: fink.

Slang: sing, snitch, squeal, stool.

Idiom: blow the whistle.

The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Translations

جُرَذخائِن: كَلِمَة ازْدِراء وتَحْقيرفأْريَتَخَلَّى عن، يَخِلُّ في وَعْدِهيَخونُ

krysapotkanudatzradit

rotteangivebrydekryb

RatteüberlaufenÜberläuferverpfeifen

αρουραίος

rato

ratacanallachivarserajarsevolverse atrás

rottapetturi

ratsalaudcafterdénoncer

štakor

gyávaságból elpártolpatkányrongy ember

rottarotta, svínganga á bak orîa sinnakjafta frá

rattotopotradiretraditorecacciare topi

ドブネズミ

쥐

mus

žiurkėnuožmi kovanuožmi tarpusavio konkurencijapakišti liežuvįparsidavėlis

lauzt norunu/solījumunodevējsnodot kāduokšķerisžurka

rat

rottetyste på

szczur

ratazanaratorato-pretorata

şobolan

крысамерзавец

krysapotkan

podgana

råtta

panya

หนู

sıçansözünde durmamakdönek kimsedöneklik etmekgammazlamak

chuộtcon chuột

卑鄙小人叛变大老鼠老鼠违约

rat

[ræt]

A. N

1. (Zool) → rata f
I smell a rat → aquí hay gato encerrado, aquí se está tramando algo
he could smell a rat → se olió algo sospechoso, le olió a gato encerrado

2. (= person) you dirty rat! → ¡canalla!

3. (as exclamation) rats! (Brit) → ¡narices!

B. VI

1. to rat on sb (= inform on) → chivarse de algn; (= desert) → abandonar a algn
to rat on a deal → rajarse de un negocio

2. (= catch rats) → cazar ratas, matar ratas

C. CPD rat pack N (= journalists) → paparazzi mpl
rat poison N → matarratas m inv
the rat race N → la lucha por la supervivencia, la competencia
it's a rat race → es un mundo muy competitivo
rat run N (Brit) (Aut) calle residencial usada por los conductores para evitar atascos
rat trap N → trampa f para ratas, ratonera f

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

rat

[ˈræt]

n

(= rodent) → rat m
a female rat → une rate

(= person) → salaud m
to smell a rat → se dire qu'il y a anguille sous roche

modif [cage] → à rat; [population] → de rats

rat on

vt fus

(= tell on) → cafter

(= go back on) [+ agreement] → revenir sur

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

rat

n (Zool) → Ratte f; (pej inf: = person) → elender Verräter (inf); he’s a dirty rat (inf) → er ist ein dreckiges or gemeines Schwein (inf); you rat! → du Hund! (inf); rats! (inf) (annoyance) → Mist! (inf); (rejection) → Quatsch! (inf) ? smell

vi

to rat on somebody (inf) (= desert) → jdn sitzen lassen (inf); (= inform on) → jdn verpfeifen (inf); to rat on something (inf: = renege on) → etw nicht einhalten

to go ratting → auf Rattenfang gehen

---

rat

in cpds → Ratten-

---

rat

:

ratpack

n (Brit pej inf) → Journalistenmeute f (pej inf)

rat poison

n → Rattengift nt

rat race

n → ständiger Konkurrenzkampf

rat run

n (Brit inf) → Schleichweg m (inf); drivers were using the area as a rat → die Gegend wurde von Autofahrern als Schleichweg (inf) → genutzt

rats’ tails

pl (pej) → Zotteln pl (pej); (inf: = bunches) → Rattenschwänze pl (inf); her hair was or hung in rat (pej) → ihr Haar war zottelig or hing zottelig herunter

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

rat

[ræt]

1. n → ratto
black rat → ratto comune
brown rat → topo delle chiaviche
you dirty rat! (fam) → brutta carogna!

2. vi to rat on sb (fam) → fare una spiata or una soffiata su qn
to rat on a deal (fam) → rimangiarsi la parola
to smell a rat → subodorare qualcosa

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

rat

(rat) noun

1. a small animal with a long tail, like a mouse but larger. The rats have eaten holes in those bags of flour. rot فأْر плъх rato krysa die Ratte rotte αρουραίοςrata rott موش صحرایی rotta ratחולדה, עכברוש चूहा štakor patkány tikus wirok rotta ratto ねずみ 쥐 žiurkė žurka tikus ratrotteszczur خاڼى، سارايى موږك، دنيمى لارى مل ratazana şobolan крыса krysa, potkan podgana pacov råtta หนู sıçan 大老鼠 пацюк, щур چوہا chuột 大老鼠

2. an offensive word for an unpleasant and untrustworthy person. rot خائِن: كَلِمَة ازْدِراء وتَحْقير доносник patife krysa der/die Überläufer(in) kryb μπαμπέσης, μασκαράςcanalla lurjus آدم غیر قابل اعتماد؛ نابکار petturi salaudבוגד अप्रिय आदमी के लिए एक गाली uvreda rongy ember bajingan rotta, svín mascalzone, furfante 嫌な奴 변절자 parsidavėlis, šunsnukis nodevējs; okšķeris panggilan menyakitkan hati schoftrotte, svin; tyster, angiver nędzna kreatura خاڼى نيول، دملګرو سره خيانت كول patife laş предатель; трус krysa, zradca, podliak podgana pacov skitstövel คนที่เชื่อไม่ได้ (คำสแลง) kalleş, dönek kimse 卑鄙小人 пацюк غدار kẻ đê tiện 卑鄙小人讨厌鬼

verb – past tense, past participle ˈratted –

1. to break an agreement, promise etc. belofte verbreek يَتَخَلَّى عن، يَخِلُّ في وَعْدِه изменям quebrar promessas zradit überlaufen bryde αθετώromper sõna murdma پیمان شکن rikkoa manquer à לְהָפֵר समझौता या वादा तोड़ना izdati, iznevjeriti (gyávaságból) elpártol melanggar perjanjian ganga á bak orða sinna (venire meno a) 破る (약속, 협정 등을) 어기다 sulaužyti žodį, pažadą lauzt norunu/solījumu mungkir janji zijn woord breken svikte, la i stikken złamać słowo/obietnicę, wycofać się قسم ماتونه quebrar promessas a nu se ţine (de cuvânt) отказаться zradiť prelomiti izneveriti svika ngn ไม่รักษาสัญญา sözünde durmamak, döneklik etmek 食言 порушити угоду وعدہ خلافی کرنا thất hứa 违约

2. to betray one's friends, colleagues etc. The police know we're here. Someone must have ratted. verraai يَخونُ предавам delatar udat verpfeifen angive προδίδω, καρφώνωchivar reetma, üles andma خیانت کردن kannella dénoncer לִבגוֹד ग़द्दारी करना cinkati, izdati „köp” mengkhianati kjafta frá tradire, 裏切る 배신하다 pakišti liežuvį, įskųsti nodot kādu membelakangi verradentyste på, angizdradzić خاڼى delatar a denunţa предать udať izdati opanjkati tjalla, förråda หักหลังเพื่อน gammazlamak, ihbar etmek 背叛 зрадити, видати دھوکہ دینا phản bội 叛变

rat race

the fierce, unending competition for success etc. malle gejaag سِباق الجِرْذان: منافَسَة شَرِسَه على المالِ والنَّجاح луда надпревара concorrência desenfreada honba za úspěchem harter Konkurrenzkampf rotteræs αδυσώπητος αγώνας για επικράτηση lucha por la vida, competencia halastamatu eluvõitlus عملیات رقابت آمیز oravanpyörä recherche effrénée de la réussite הִתחָרוּת פְּרוּעָה चूहा दौड़, कभी खत्म नहीं होने वाली प्रतियोगिता utrka za prestižem „patkányok versenyfutása” berebut sukses lífsgæðakapphlaup (corsa al successo), (concorrenza accanita) 激しい競争 과다 경쟁 nuožmi kova/tarpusavio konkurencija, rietenos nežēlīga konkurence berlumba-lumba concurrentiestrijd alles kamp mot alle zażarte współzawodnictwo o dobra materialne له رقابته ډك عمليات concorrência desenfreada luptă pe viaţă şi pe moarte бешеная погоня за успехом honba za úspechom / kariérou boj brez konca in kraja trka pacova karriärjakt การแข่งขันอย่างไม่รู้จบเพื่อความสำเร็จ kör döğüşü, koşuşturma 激烈競爭 пацюкова метушня کامیابی حاصل کرنے کے لیے ایک خونخوار مقابلہ cuộc đấu tranh quyết liệt 激烈竞争

smell a rat

to have a feeling that something is not as it should be; to have suspicions. يَتَشَكَّك، يَرْتاب подушвам нещо нередно desconfiar větřit něco Lunte riechen fatte mistanke μυρίζομαι βρομοδουλειά haber gato encerrado paha aimama مشکوک شدن؛ به حیله یا نقشه پی بردن haistaa palaneen käryä soupçonner qqch. לְ”הָרִיח” מַשֶהוּ חָשוּד संदेह करना njušiti opasnost, biti sumnjičav valami gyanúsat sejt curiga gruna að brögð séu í tafli (fiutare un imbroglio) 怪しいと思う 낌새를 채다 jausti, kad kažkas ne taip nojaust ko nelabu sangsi lont ruiken lukte lunta, ane uråd podejrzewać coś, zwąchać pismo nosem مشکوک شول desconfiar a mi­rosi/a bănui ceva чуять недоброе cítiť, tušiť (čo) vohati prevaro osetiti prevaru ana oråd (ugglor i mossen) รู้สึกหวาดระแวง kuşkulanmak 覺得事情不對勁，感到可疑 передчувати лихо شبہ ہونا nghi ngờ 感到有可疑之处，感到事情不妙

Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

rat

→ جُرَذ krysa rotte Ratte αρουραίος rata rotta rat štakor topo ドブネズミ 쥐 rat rotte szczur ratazana, rato-preto крыса råtta หนู sıçan con chuột 老鼠

Multilingual Translator © HarperCollins Publishers 2009

rat

n. rata.

English-Spanish Medical Dictionary © Farlex 2012

rat

n rata

English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.