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used in a sentence
2 meanings
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1  —as in:
the road is steep and treacherous
Definition dangerous — often in a non-obvious way
  • The road through Afghanistan's Kabul gorge is even more treacherous than the Road of Death in Bolivia.
treacherous = dangerous
Other Uses (with this meaning)
  • It's a gorgeous beach, but the waves make swimming treacherous.
  • treacherous = dangerous
  • Walking over the frosty rocks along the streambed became too treacherous.
    Ben Mikaeslen  --  Touching Spirit Bear
  • treacherous = dangerous
  • But the hill was treacherously steep; he was impeded by the snow and his own lack of strength.
    Lois Lowry  --  The Giver
  • treacherously = dangerously
  • Setting out in small, open boats called curraghs, built from cowhide stretched over light wicker frames, they crossed one of the most treacherous stretches of ocean in the world without knowing what, if anything, they'd find on the other side.
    Jon Krakauer  --  Into the Wild
  • treacherous = dangerous
  • Between me and Lewiston was the treacherous road with its hairpin turns that twisted back and forth down the mountain.
    Sharon Creech  --  Walk Two Moons
  • treacherous = dangerous
  • And everywhere, except in the dormitories, the floors and stairs were of smooth, slick marble, more treacherous even than the icy walks.
    John Knowles  --  A Separate Peace
  • treacherous = dangerous
  • Remorseless, treacherous, lecherous, kindless villain.
    Aldous Huxley  --  Brave New World
  • treacherous = dangerous
  • Given the treacherous nature of the local topography ... and Ruess's penchant for dangerous climbing, this is a credible scenario.
    Jon Krakauer  --  Into the Wild
  • treacherous = dangerous
  • Gandalf the Grey caught like a fly in a spider's treacherous web!
    J.R.R. Tolkien  --  The Fellowship of the Ring
treacherous = dangerous

Dictionary / pronunciation — Google®Dictionary / more samples — Oxford® USDictionary list —®
2  —as in:
a scheming, treacherous assistant
Definition guilty of betrayal or deception or likely to betray or deceive
  • That was how she uncovered his treacherous plot.
treacherous = betraying trust
Other Uses (with this meaning)
  • It was a treacherous act.
  • treacherous = betraying trust
  • "The treacherous are ever distrustful," answered Gandalf wearily.
    J.R.R. Tolkien  --  The Two Towers
  • treacherous = those likely to betray
  • Cyclopes are the most deceitful, treacherous-
    Rick Riordan  --  The Sea of Monsters
  • treacherous = likely to betray
  • Chapter 44:  Her Treacherous Heart
    Kate DiCamillo  --  Flora & Ulysses
  • treacherous = guilty of betrayal or deception
  •   Or my true heart with treacherous revolt
      Turn to another,
    William Shakespeare  --  Romeo and Juliet
  • treacherous = betraying
  • At the same time he warned them that after this treacherous deed the worst was to be expected.
    George Orwell  --  Animal Farm
  • treacherous = betraying
  • Our English summers are so treacherous.
    Agatha Christie  --  And Then There Were None
  • treacherous = untrustworthy
  • Felix soon learned that the treacherous Turk, for whom he and his family endured such unheard-of oppression, on discovering that his deliverer was thus reduced to poverty and ruin, became a traitor to good feeling and honour and had quitted Italy with his daughter, insultingly sending Felix a pittance of money to aid him, as he said, in some plan of future maintenance.
    Mary Shelley  --  Frankenstein
  • treacherous = guilty of betrayal
  • Oh, the dirty, vile, treacherous sod.
    Ernest Hemingway  --  For Whom the Bell Tolls
treacherous = guilty of betrayal

Dictionary / pronunciation — Google®Dictionary / more samples — Oxford® USDictionary list —®
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