| faithless | (adj) having the character of, or characteristic of, a traitor, Syn. unfaithful, treasonous, traitorous, treasonable, Example: the faithless Benedict Arnold; a lying traitorous insurrectionist |
| faithlessly | (adv) in a disloyal and faithless manner, Syn. treacherously, traitorously, false, treasonably, Example: he behaved treacherously; his wife played him false |
| faithlessness | (n) unfaithfulness by virtue of being unreliable or treacherous, Syn. inconstancy, falseness, fickleness |
| Faithless | a. Be not faithless, but believing. John xx. 27. [ 1913 Webster ] A most unnatural and faithless service. Shak. [ 1913 Webster ] -- |