perfidious
1Perfidious — Per*fid i*ous (p[ e]r*f[i^]d [i^]*[u^]s; 277), a. [L. perfidious.] 1. Guilty of perfidy; violating good faith or vows; false to trust or confidence reposed; teacherous; faithless; as, a perfidious friend. Shak. [1913 Webster] 2. Involving, or… …
2perfidious — ► ADJECTIVE literary ▪ deceitful and untrustworthy: a perfidious lover. DERIVATIVES perfidiously adverb perfidiousness noun …
3perfidious — I adjective base, betraying, cheating, conniving, corrupt, deceitful, deceiving, designing, dishonest, dishonorable, disloyal, disobedient, dissembling, double crossing, double dealing, faithless, false, falsehearted, fraudulent, guileful,… …
4perfidious — 1590s, from PERFIDY (Cf. perfidy) + OUS (Cf. ous) …
5perfidious — *faithless, false, disloyal, traitorous, treacherous Analogous words: *mercenary, venal: disaffected, alienated, estranged (see ESTRANGE): deceitful, *dishonest: perjured, forsworn (see PERJURE) …
6perfidious — [adj] treacherous betraying, deceitful, deceptive, double crossing*, double dealing*, faithless, false, insidious, misleading, recreant, shifty*, slick*, snake in the grass*, traitorous, two faced*, two timing*, undependable, unfaithful, unloyal …
7perfidious — [pər fid′ē əs] adj. [L perfidiosus] characterized by perfidy; treacherous SYN. FAITHLESS perfidiously adv …
8perfidious — [[t]pə(r)fɪ̱diəs[/t]] ADJ GRADED: usu ADJ n If you describe someone as perfidious, you mean that they have betrayed someone or cannot be trusted. [LITERARY] Their feet will trample on the dead bodies of their perfidious aggressors. Syn:… …
9perfidious — perfidiously, adv. perfidiousness, n. /peuhr fid ee euhs/, adj. deliberately faithless; treacherous; deceitful: a perfidious lover. [1590 1600; < L perfidiosus faithless, dishonest. See PERFIDY, OUS] Syn. false, disloyal; unfaithful, traitorous.… …
10perfidious — adjective Of, pertaining to, or representing perfidy; disloyal to what should command ones fidelity or allegiance. They believed him to be with them but his perfidious action nearly lost them the battle. Syn: traitorous, treacherous …
