Definition/Meaning of treacherous

• English - Adjective: treacherous ( comparative more treacherous , superlative most treacherous ) Exhibiting treachery . Deceitful; inclined to betray . Unreliable; dangerous . a treacherous mountain trail Antonyms ( exhibiting treachery ) : loyal Related terms treacher treachery trick trickster tricky Translations
• English - Etymology: From Old French trecheros , tricheros ( “ deceitful ” ). See treacher .
• English - Pronunciation: IPA (key) : /ˈtɹetʃəɹəs/
• English - External links: treacherous in Webster’s Revised Unabridged Dictionary , G . & C . Merriam, 1913 treacherous in The Century Dictionary , The Century Co ., New York , 1911 treacherous at OneLook Dictionary Search