treacherous

pronunciation

How to pronounce treacherous in British English: UK [ˈtretʃərəs]word uk audio image

How to pronounce treacherous in American English: US [ˈtrɛtʃərəs] word us audio image

  • Adjective:
    dangerously unstable and unpredictable
    tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans

Word Origin

treacherous (adj.)
early 14c., from Old French trecheros, tricheros "deceitful" (12c.), from trecheor, tricheor "cheat, deceiver, liar, impostor, trickster," agent noun from trechier, trichier "to cheat, trick" (see trick (n.)). Figuratively, of things, from c. 1600. Related: Treacherously; treacherousness. Middle English had treacher "deceiver, cheat, traitor."

Synonym

Example

1. And this amazing beach , accessible only by boat or a treacherous climb , is gray 's canvas .
2. Other robots are making tentative forays into the treacherous terrain of human mental states and emotions .
3. And her treacherous sister judah saw it .
4. The politics of china 's property market could easily become more treacherous .
5. So babur was homeless ; most of his followers had left him ; treacherous relations had murdered his tutor .

more: >How to Use "treacherous" with Example Sentences