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treacherous

/ˈtɹɛt͡ʃəɹəs/adjective3 syllables

Treacherous means: dangerously unstable and unpredictable.

Synonyms for treacherous21

adjective, as in dangerously unstable and unpredictable

unreliable, dangerous, unsafe

adjective, as in tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans

punic, perfidious, unfaithful

also used for treacherous

Judaslike, traitorous, beguiling, deceitful, deceptious, deceptive, deceptory, fallacious, fraudful, hazardous, perilous, unsound, dangersome, jeopardous, wicked

Includes material from Wiktionary, CC BY-SA 4.0.

What does treacherous mean?2

adjective

1

dangerously unstable and unpredictable“treacherous winding roads”

2

tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans“Punic faith”

Definitions from the Open English WordNet, CC BY 4.0.

Treacherous in a sentence

  • Life is short, the art long, opportunity fleeting, experiment treacherous, judgment difficult.Adelpa
  • The weather can be very treacherous at this altitude.Amastan
  • We had to hire a local guide to navigate the treacherous jungle terrain.Amastan
  • The sherpa guided the climbers safely through the treacherous mountain pass.mraz
  • Lust is treacherous. If you let it, you could be deprived from your friends.AmarMecheri
  • Drive carefully! Those are treacherous roads up there.marcelostockle
  • Treacherous fire, bring relief to my torment.marcelostockle
  • She is treacherous, like a serpent.AlanF_US

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.