treachery
1Treachery — Treach er*y, n. [OE. trecher[ i]e, trichere, OF. trecherie, tricherie, F. tricherie trickery, from tricher to cheat, to trick, OF. trichier, trechier; probably of Teutonic origin. See {Trickery}, {Trick}.] Violation of allegiance or of faith and… …
2treachery — index bad faith, collusion, deceit, disloyalty, false pretense, fraud, infidelity, knavery, machination …
3treachery — (n.) early 13c., from O.Fr. trecherie deceit, cheating (12c.), from trechier to cheat, deceive (see TRICK (Cf. trick)) …
4treachery — [n] disloyalty, dishonesty betrayal, bunco, corruption, dirty dealing*, dirty pool*, dirty trick*, dirty work*, disaffection, dodge, double cross*, double dealing*, duplicity, faithlessness, fake, falseness, fast shuffle*, flimflam*, grift, gyp* …
5treachery — [trech′ər ē] n. pl. treacheries [ME trecherie < OFr tricherie, trickery < trichier, to cheat: see TRICK] 1. betrayal of trust, faith, or allegiance; perfidy, disloyalty, or treason 2. an act of perfidy or treason …
6treachery — n. treachery to + inf. (it was treachery to reveal such secrets to the enemy) * * * [ tretʃ(ə)rɪ] treachery to + inf. (it was treachery to reveal such secrets to the enemy) …
7treachery — [[t]tre̱tʃəri[/t]] treacheries N UNCOUNT: also N in pl Treachery is behaviour or an action in which someone betrays their country or betrays a person who trusts them. He was deeply wounded by the treachery of close aides and old friends …
8treachery — UK [ˈtretʃərɪ] / US noun Word forms treachery : singular treachery plural treacheries a) [uncountable] treacherous behaviour b) [countable] a treacherous act …
9treachery — See treachery, treason …
10treachery — treach|e|ry [ˈtretʃəri] n plural treacheries [Date: 1100 1200; : Old French; Origin: trecherie, from trechier, trichier; TRICK1] 1.) [U] behaviour in which someone is not loyal to a person who trusts them, especially when this behaviour helps… …