from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of, relating to, or marked by perfidy; treacherous. See Synonyms at faithless.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of, pertaining to, or representing perfidy; disloyal to what should command one's fidelity or allegiance.
from the GNU version of the Collaborative International Dictionary of English
- adj. Guilty of perfidy; violating good faith or vows; false to trust or confidence reposed; teacherous; faithless.
- adj. Involving, or characterized by, perfidy.
from The Century Dictionary and Cyclopedia
- Faithless; basely treacherous; false-hearted.
- Proceeding from or characterized by perfidy or base treachery; false: as, a perfidious act.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans
Sorry, no etymologies found.