Perfidious

ahd-5
  • adjective. Of, relating to, or marked by perfidy; treacherous. synonym: faithless.
  • The Century Dictionary and Cyclopedia
  • Faithless; basely treacherous; false-hearted.
  • Proceeding from or characterized by perfidy or base treachery; false: as, a perfidious act.
  • the GNU version of the Collaborative International Dictionary of English
  • adjective. Guilty of perfidy; violating good faith or vows; false to trust or confidence reposed; treacherous; faithless.
  • adjective. Involving, or characterized by, perfidy.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • adjective. Of, pertaining to, or representing perfidy; disloyal to what should command one's fidelity or allegiance.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • adjective. tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans
  • Equivalent
    Same Context
    Words that are found in similar contexts
    Synonym
    Words with the same meaning