From The Collaborative International Dictionary of English v.0.44 [gcide]:
From WordNet (r) 2.0 [wn]:
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
28 Moby Thesaurus words for "unfaithful": derelict, disaffected, disloyal, disregardful, faithless, false, fickle, inattentive, inconstant, inobservant, negligent, nonadherent, noncompliant, nonconforming, nonobservant, not true to, of bad faith, perfidious, recreant, traitorous, treacherous, trothless, uncompliant, unconforming, unloyal, unobservant, unsteadfast, untrue
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