Deceit, deception, treachery; an act of deception, a trick.

Treacherous.

Deceitful, treacherous, crafty.

Deceitful, treacherous.

Infamous, villainous, treacherous.

Treacherous. (In quots. absol. and quasi-adv.)

Villainous, nefarious, perfidious, infamous.

Of persons, their attributes or actions: Characterized by treachery; deceiving, perfidious, false; disloyal, traitorous.

Having the character of, or characteristic of, a traitor; treacherous; perfidious.

attributive or as adj. That is a traitor, traitorous.

attributive or as adj. Cheating, treacherous.

= traitorous, adj.

Treasonable; traitorous, perfidious.

Full of fraud, fraudulent, treacherous.

Treasonable; traitorous.

Traitorous, treacherous, perfidious.

Characterized by perfidy; guilty of breaking faith or violating confidence; deliberately faithless; treacherous. Also occasionally as n.: a…

Of or pertaining to a snake; frequently in allusive use, venomous, guileful, deceitful, treacherous.

Having the character of a traitor; traitorous.

Having the character attributed to the Carthaginians by the Romans; treacherous, perfidious. Earliest and now only in Punic faith n. at compounds.

Characterized by deceit; treacherous.

characteristic of or resembling Judas Iscariot; wickedly treacherous.

Characteristic of or resembling Judas Iscariot; traitorous.

= perfidious, adj.

= traditorous adj.

That double-crosses; (also) treacherous, duplicitous.

characteristic of or resembling Judas Iscariot.

of or relating to Judas Iscariot.

Double-crossing, two-timing.

That collaborates with an enemy; traitorous, disloyal.