Found 2 items, similar to unfaithfulness.
English → English (WordNet) Definition: unfaithfulness unfaithfulness n : the quality of being unfaithful [syn: infidelity] [ant: fidelity, fidelity]
English → English (gcide) Definition: Unfaithfulness Unfaithful \Un*faith"ful\, a. 1. Not faithful; not observant of promises, vows, allegiance, or duty; violating trust or confidence; treacherous; perfidious; as, an unfaithful subject; an unfaithful agent or servant. [1913 Webster] My feet, through wine, unfaithful to their weight. --Pope. [1913 Webster] His honor rooted in dishonor stood, And faith unfaithful kept him falsely true. --Tennyson. [1913 Webster] 2. Not possessing faith; infidel. [R.] --Milton. [1913 Webster] -- Un*faith"ful*ly, adv. -- Un*faith"ful*ness, n. [1913 Webster]