- Treason by Webster's
(n.) The offense of attempting to overthrow the government of the state to which the offender owes...
- treachery by WordNet
nounBetrayal of a trust. synonyms: perfidy, perfidiousnessAn act of deliberate betrayal.synonyms:...
- perfidiousness by WordNet
nounBetrayal of a trust.synonyms: perfidy, treachery
- Treachery by Webster's
(n.) Violation of allegiance or of faith and confidence; treasonable or perfidious conduct;...
- Unfaithful by Webster's
(a.) Not faithful; not observant of promises, vows, allegiance or duty; violating trust or...