adj
Meaning 1
Exhibiting treachery.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: loyal
Standard Lemma guide
treacherous
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
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/ˈtɹɛt͡ʃəɹəs/
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/ˈtɹɛt͡ʃɹəs/
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US: Recorded audio is listed in the source snapshot.
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CMU ARPABET: T R EH1 CH ER0 AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
adj
Meaning 2
Deceitful; inclined to betray.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: Judaslike, perfidious, traitorous, beguiling, deceitful, deceptious, deceptive, deceptory, fallacious, fraudful, fraudulent, mendacious
Antonyms: none provided
adj
Meaning 3
Unreliable; dangerous.
Definition source: English Wiktionary via Wiktextract
Examples
- a treacherous mountain trail
Meaning relationships
Synonyms: hazardous, perilous, unsound, dangerous, dangersome, jeopardous, wicked, parlous, periculous, precarious, risky, unsafe
Antonyms: none provided
adjective satellite
Meaning 4
tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans
Definition source: Princeton WordNet 3.0
Examples
- Punic faith
- the perfidious Judas
- the fiercest and most treacherous of foes
- treacherous intrigues
Meaning relationships
Synonyms: punic, perfidious
Antonyms: none provided
adjective satellite
Meaning 5
dangerously unstable and unpredictable
Definition source: Princeton WordNet 3.0
Examples
- treacherous winding roads
- an unreliable trestle
Meaning relationships
Synonyms: unreliable
Antonyms: none provided
History
Etymology
From Old French trecheros, tricheros (“deceitful”), equivalent to treacher + -ous. See treacher.
Across languages
Translations
76 source translations are retained for this English entry.
- Bulgarian: коварен (kovaren) — exhibiting treachery
- Bulgarian: вероломен (verolomen) — exhibiting treachery
- Czech: zrádný — exhibiting treachery
- Danish: forræderisk — exhibiting treachery
- Dutch: verraderlijk — exhibiting treachery
- Finnish: petollinen — exhibiting treachery
- French: traître — exhibiting treachery
- Georgian: მოღალატური (moɣalaṭuri) — exhibiting treachery
- Georgian: გამცემლური (gamcemluri) — exhibiting treachery
- German: verräterisch — exhibiting treachery
- German: trügerisch — exhibiting treachery
- Greek: προδοτικός (prodotikós) — exhibiting treachery
- Greek: δόλιος (dólios) — exhibiting treachery
- Ancient Greek: δολερός (dolerós) — exhibiting treachery
- Ancient Greek: προδοτικός (prodotikós) — exhibiting treachery
- Hungarian: áruló — exhibiting treachery
- Irish: fealltach — exhibiting treachery
- Irish: cealgach — exhibiting treachery
- Old Irish: braittech — exhibiting treachery
- Italian: traditore — exhibiting treachery
- Italian: sleale — exhibiting treachery
- Italian: infido — exhibiting treachery
- Norwegian Bokmål: forrædersk — exhibiting treachery
- Polish: zdradziecki — exhibiting treachery
- Portuguese: fementido — exhibiting treachery
- Portuguese: traiçoeiro — exhibiting treachery
- Russian: вероло́мный (verolómnyj) — exhibiting treachery
- Russian: преда́тельский (predátelʹskij) — exhibiting treachery
- Spanish: traicionero — exhibiting treachery
- Spanish: alevoso — exhibiting treachery
- Spanish: aleve — exhibiting treachery
- Swedish: förrädisk — exhibiting treachery
- Swedish: trolös — exhibiting treachery
- Ottoman Turkish: صداقتسز (sadakatsiz) — exhibiting treachery
- Azerbaijani: kəmfürsət — deceitful; inclined to betray
- Bulgarian: предателски (predatelski) — deceitful; inclined to betray
- Czech: zrádný — deceitful; inclined to betray
- Finnish: petollinen — deceitful; inclined to betray
- French: traître — deceitful; inclined to betray
- Georgian: გამცემლური (gamcemluri) — deceitful; inclined to betray
- German: verräterisch — deceitful; inclined to betray
- German: hinterlistig — deceitful; inclined to betray
- German: doppelzüngig — deceitful; inclined to betray
- Greek: δόλιος (dólios) — deceitful; inclined to betray
- Greek: επίβουλος (epívoulos) — deceitful; inclined to betray
- Ancient Greek: προδοτικός (prodotikós) — deceitful; inclined to betray
- Ancient Greek: δολερός (dolerós) — deceitful; inclined to betray
- Hungarian: álnok — deceitful; inclined to betray
- Ingrian: pettelikko — deceitful; inclined to betray
- Ingrian: salakavala — deceitful; inclined to betray
- Irish: fabhtach — deceitful; inclined to betray
- Irish: braiteach — deceitful; inclined to betray
- Irish: cealgach — deceitful; inclined to betray
- Kazakh: залым (zalym) — deceitful; inclined to betray
- Kazakh: опасыз (opasyz) — deceitful; inclined to betray
- Latin: perfidus — deceitful; inclined to betray
- Portuguese: traiçoeiro — deceitful; inclined to betray
- Russian: вероло́мный (verolómnyj) — deceitful; inclined to betray
- Russian: кова́рный (kovárnyj) — deceitful; inclined to betray
- Ottoman Turkish: صداقتسز (sadakatsiz) — deceitful; inclined to betray
- Bulgarian: ненадежден (nenadežden) — unreliable; dangerous
- Czech: zrádný — unreliable; dangerous
- Czech: ošidný — unreliable; dangerous
- Danish: forræderisk — unreliable; dangerous
- Finnish: petollinen — unreliable; dangerous
- French: traître — unreliable; dangerous
- Georgian: მუხანათური (muxanaturi) — unreliable; dangerous
- German: tückisch — unreliable; dangerous
- Greek: ύπουλος (ýpoulos) — unreliable; dangerous
- Norwegian Bokmål: forrædersk — unreliable; dangerous
- Plautdietsch: roakboa — unreliable; dangerous
- Portuguese: traiçoeiro — unreliable; dangerous
- Russian: ненадёжный (nenadjóžnyj) — unreliable; dangerous
- Russian: непро́чный (nepróčnyj) — unreliable; dangerous
- Spanish: traicionero — unreliable; dangerous
- Swedish: förrädisk — unreliable; dangerous
Real reading context