treacherous

treach·er·ous

 (trĕch′ər-əs)

adj.

1. Guilty of or characterized by betrayal of confidence or trust; perfidious.

2. Characterized by unforeseen or hidden hazards; dangerous or deceptive: treacherous waters; treacherous footing.

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treach′er·ous·ly adv.

treach′er·ous·ness n.

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.

treacherous

(ˈtrɛtʃərəs)

adj

1. betraying or likely to betray faith or confidence

2. unstable, unreliable, or dangerous: treacherous weather; treacherous ground.

ˈtreacherously adv

ˈtreacherousness n

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

treach•er•ous

(ˈtrɛtʃ ər əs)

adj.

1. characterized by faithlessness or readiness to betray trust.

2. deceptive, untrustworthy, or unreliable.

3. unstable or insecure, as footing.

4. dangerous; hazardous: a treacherous climb.

treach′er•ous•ly, adv.

treach′er•ous•ness, n.

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

Thesaurus

Adj.	1.	treacherous - dangerously unstable and unpredictable; "treacherous winding roads"; "an unreliable trestle" unreliable dangerous, unsafe - involving or causing danger or risk; liable to hurt or harm; "a dangerous criminal"; "a dangerous bridge"; "unemployment reached dangerous proportions"
	2.	treacherous - tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans; "Punic faith"; "the perfidious Judas"; "the fiercest and most treacherous of foes"; "treacherous intrigues" perfidious, punic unfaithful - not true to duty or obligation or promises; "an unfaithful lover"

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

treacherous

adjective

1. disloyal, deceitful, untrustworthy, duplicitous, false, untrue, unreliable, unfaithful, faithless, double-crossing (informal), double-dealing, perfidious, traitorous, treasonable, recreant (archaic) The President spoke of the treacherous intentions of the enemy.
disloyal true, reliable, loyal, faithful, dependable, trustworthy

2. dangerous, tricky, risky, unstable, hazardous, icy, slippery, unsafe, unreliable, precarious, deceptive, perilous, slippy (informal or dialect) The current of the river is fast-flowing and treacherous.
dangerous safe, reliable

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

treacherous

adjective

1. Not true to duty or obligation:

disloyal, faithless, false, false-hearted, perfidious, recreant, traitorous, unfaithful, untrue.

2. Involving possible risk, loss, or injury:

adventurous, chancy, dangerous, hazardous, jeopardous, parlous, perilous, risky, unsafe, venturesome, venturous.

Slang: hairy.

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

خائِن، غادِرخَطِر

nebezpečnýzrádný

farligforræderisk

tückischverräterisch

δόλιος

traîtredangereuxpérilleuxredoutabletraitre

ótraustursvikull

pericolososlealetraditore

bīstamsnedrošsnodevīgs

forrædersk

izdajalski

hainkalleştehlikeli

凶险的危险的背叛的靠不住的

treacherous

[ˈtretʃərəs] ADJ

1. (= disloyal) [person] → traidor; [attempt, intention] → traicionero
a treacherous act or action → una traición

2. (= dangerous) [road, bend] → peligroso; [tide, current] → traicionero
treacherous road or driving conditions → condiciones peligrosas para la conducción

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

treacherous

[ˈtrɛtʃərəs] adj

[person, act] → déloyal(e)
He publicly left the party and denounced its treacherous leaders → Il rendit publiquement sa carte du parti et dénonça la traîtrise de ses chefs.

(= dangerous) [conditions, roads] → dangereux/euse; [currents] → traître(traîtresse)
Road conditions are treacherous → Les routes sont dangereuses.
Even experienced navigators feared the treacherous currents → Même les navigateurs expérimentés craignaient les courants traîtres.

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

treacherous

adj

person, action → verräterisch

(= unreliable) → trügerisch, irreführend; memory → trügerisch; my memory is rather treacherous now → mein Gedächtnis lässt mich neuerdings ziemlich im Stich

(= dangerous) → tückisch; corner → gefährlich; weather conditions, ice → trügerisch; journey → gefahrvoll

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

treacherous

[ˈtrɛtʃ/ərəs] adj (disloyal, person, act) → sleale; (smile) → traditore/trice; (answer) → infido/a (fig) (surface, ground, tide) → pericoloso/a
road conditions today are treacherous → oggi il fondo stradale è pericoloso

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

treacherous

(ˈtretʃərəs) adjective

1. betraying or likely to betray. a treacherous person/act. verradend, verraaierlik خائِن، غادِر предателски traiçoeiro zrádný verräterisch forræderisk δόλιος, άπιστοςtraicionero reetlik, petlik خائن؛ خائنانه petollinen traître בּוֹגדָנִי विश्वासघाती izdajnički, varav áruló khianat svikull infido, sleale 不誠実な 배반하는, 믿을 수 없는 klastingas, išdavikiškas nodevīgs khianat verradelijk forrædersk, svikefull, upålitelig zdradziecki خاین ، په خاینانه توګه traiçoeiro tră­­­dător вероломный;предательский zradný, falošný izdajalski izdajnički svekfull, falsk ทรยศ hain, kalleş 背叛的，靠不住的 віроломний, зрадницький دغا باز phản bội 背叛的，靠不住的

2. dangerous. The roads are treacherous in winter. gevaarlik خَطِر коварен traiçoeiro nebezpečný tückisch farlig επικίνδυνος, ύπουλοςtraicionero ohtlik خطرناک vaarallinen traîtreמסוכן देखने में सुरक्षित पर खतरनाक opasan, nesiguran veszélyes berbahaya ótraustur pericoloso 危険な 위험한 apgaulingas, pavojingas bīstams; nedrošs berbahaya verradelijk farlig, lumsk zdradliwy خطرناک traiçoeiro periculos коварный nebezpečný varljiv opasan förrädisk ซึ่งเป็นอันตราย tehlikeli 危險的 ненадійний; небезпечний خطرناک nguy hiểm 危险的，凶险的

ˈtreacherously adverb

gevaarlik بصورَةٍ غادِرَه أو خَطِرَه коварно traiçoeiramente zrádně treulos forræderiskt επικίνδυνα, ύπουλα traicioneramente reetlikult بطور خیانت آمیز petollisesti traîtreusement בְּאוֹפֶן בּוֹגדָנִי विश्वासघाती से izdajnički áruló/hűtlen módon, csalókán secara berbahaya sviksamlega slealmente; pericolosamente 裏切って 위험하게 klastingai nodevīgi dgn khianat verradelijk forrædersk, med stor risiko zdradziecko, zdradliwie په خیانت کوونکی ډول traiçoeiramente (în chip) înşelător предательски zradne izdajalsko izdajnički svekfullt, förrädiskt อย่างไม่น่าไว้วางใจ haince, kalleşçe 靠不住地，危險地 віроломно, зрадницьки دغا بازي سے nguy hiểm 靠不住地，危险地

ˈtreacherousness noun

gevaarlikheid خِيانَه، غَدْر коварство caráter traiçoeiro zrádnost die Treulosigkeit forræderi δολιότητα, υπουλότητα cualidad de traicionero reetlikkus خیانت petollisuus traîtriseבגידה विश्वासघाती izdajništvo hűtlenség, álnokság keadaan berbahaya sviksemi slealtà 不誠実 위험함 klastingumas nodevīgums khianatnya verradelijkheid svikefullhet; stor risiko zdradzieckość, zdradliwość خیانت carácter traiçoeiro caracter neleal; perfidie предательство zradnosť zahrbtnost, varljivost izdajništvo svekfullhet, förrädiskhet ความไม่มั่นคง hainlik, kalleşlik 不可靠，危險 віроломність دغا بازي sự nguy hiểm, sự phản bội 不可靠，危险

ˈtreachery noun

(an act of) betraying someone; disloyalty. His treachery led to the capture and imprisonment of his friend. verraad غَدْر، خِيانَه предателство traição zrada der Verrat forræderi προδοσίαtraición reet(ur)likkus خیانت petos traîtriseבגידה कपट, बेईमानी izdaja árulás pengkhianatan svik slealtà, tradimento 裏切り 배신 klasta, išdavystė nodevība pengkhianatan verraad forræderi, svik; lumskhetzdrada خیانت traição trădare предательство zrada izdaja izdaja förräderi, svek การทรยศ hainlik, kalleşlik 背叛，變節 зрада, віроломство دغا بازي، بے وفائي sự phản bội 背叛，变节

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