treacherous

adj
/ˈtɹɛt͡ʃəɹəs/

Etymology

From Old French trecheros, tricheros (“deceitful”), equivalent to treacher + -ous. See treacher.

  1. derived from trecheros

Definitions

  1. Exhibiting treachery.

    • I see the wife misused by her husband, I see the treacherous seducer of young women, / I mark the ranklings of jealousy and unrequited love attempted to be hid […]
  2. Deceitful

    Deceitful; inclined to betray.

  3. Unreliable

    Unreliable; dangerous.

    • a treacherous mountain trail
    • Work on the muskeg resulted in the formation in the first instance, and later in lengths of newly-laid track disappearing without trace into the treacherous bog.
    • […] they stood in the region of perpetual snow, amidst the glittering, treacherous glaciers and crevasses, with vast slippery-pathed precipices yawning round.

The neighborhood

Vish — recursive loop

A definitional loop anchored at treacherous. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01treacherous02treachery03treason04betrayal05betraying06betrays07betray

A definitional loop anchored at treacherous. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

7 hops · closes at treacherous

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA