Synonyms of unfaithful

2 Syllables

fickle, sneaking, impious, untrue, recreant, corrupt, truthless, way-off, cheating, wicked, unloyal, shifty, faithless, false, fickler, snaky

3 Syllables

traitorous, deceitful, inconstant, treacherous, two-faced, two-timing, foresworn, unchaste, phoniness, perfidious, treasonous, scoundrelly, moonlighting

4 Syllables

untrustworthy, unreliable, incontinent, philandering, falsehearted, unpatriotic, renegade, imprecise, insincere, undutiful, mythomaniac, false-hearted, pigeonhearted, unconverted, treasonable, double-crossing, profiteering

5 Syllables

inaccurate, untraditional, adulterine