treacherous

treach·er·ous  (trchr-s)

adj.

1. Marked by betrayal of fidelity, confidence, or trust; perfidious. See Synonyms at faithless.

2. Not to be relied on; not dependable or trustworthy.

3. Marked by unforeseen hazards; dangerous or deceptive: treacherous waters.

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treacher·ous·ly adv.

treacher·ous·ness n.

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treacherous [ˈtrɛtʃərəs]

adj

1. betraying or likely to betray faith or confidence

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

treacherously  adv

treacherousness  n

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"

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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

Translations

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

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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.

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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

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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

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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

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treacherous

adj treacherous [ˈtretʃərəs]

1 betraying or likely to betray a treacherous person/act. verradend, verraaierlik خائِن، غادِر предателски zrádný forræderisk verräterisch δόλιος, άπιστος traicionero 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 traiçoeiro tră­­­dător вероломный;предательский zradný, falošný izdajalski izdajnički svekfull, falsk ทรยศ hain, kalleş 背叛的 віроломний, зрадницький دغا باز phản bội 背叛的

2 dangerous The roads are treacherous in winter. gevaarlik خَطِر коварен nebezpečný farlig tückisch επικίνδυνος, ύπουλος traicionero ohtlik خطرناک vaarallinen traître מְסוּכָּן देखने में सुरक्षित पर खतरनाक opasan, nesiguran veszélyes berbahaya ótraustur pericoloso 危険な 위험한 apgaulingas, pavojingas bīstams; nedrošs berbahaya verradelijk farlig, lumsk zdradliwy traiçoeiro periculos коварный nebezpečný varljiv opasan förrädisk ซึ่งเป็นอันตราย tehlikeli 靠不住的 ненадійний; небезпечний خطرناک nguy hiểm 靠不住的

adv treacherously

gevaarlik بصورَةٍ غادِرَه أو خَطِرَه коварно zrádně forræderiskt treulos 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 배반적으로 klastingai nodevīgi dgn khianat verradelijk forrædersk, med stor risiko zdradziecko, zdradliwie traiçoeiramente (în chip) înşelător предательски zradne izdajalsko izdajnički svekfullt, förrädiskt อย่างไม่น่าไว้วางใจ haince, kalleşçe 靠不住地 віроломно, зрадницьки دغا بازي سے nguy hiểm 靠不住地

n treacherousness

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

n treachery

(an act of) betraying someone; disloyalty His treachery led to the capture and imprisonment of his friend. verraad غَدْر، خِيانَه предателство zrada forræderi der Verrat προδοσία traición reet(ur)likkus خیانت petos traîtrise בְּגִידָה कपट, बेईमानी izdaja árulás pengkhianatan svik slealtà, tradimento 裏切り 배신 klasta, išdavystė nodevība pengkhianatan verraad forræderi, svik; lumskhet zdrada 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