5
crooked(adjective, mean, base, false, dishonest)
5
dishonourable
5
false-hearted(adjective, continue, false, trust, deceitful)
5
hypocritical(noun, adjective, mean, base, wicked)
5
inaccurate(adjective, wrong, false, dishonest, unpredictable)
5
of bad faith(expression, adjective, idiom, false, fickle)
5
renegade(adjective, mean, bad, evil, base)
5
seditious(adjective, untrue, untrustworthy, treacherous, disaffected)
5
shifty(noun, adjective, false, dishonest, deceitful)
4
apostate(adjective, mean, base, wicked, immoral)
4
cheating(adjective, wrong, false, dishonest, dubious)
4
disaffected(adjective, untrue, untrustworthy, treacherous)
4
distorted
4
imprecise(wrong, false, unreliable, incorrect, inexact)
4
scheming
4
subversive(adjective, untrue, untrustworthy, treacherous, disloyal)
4
two-timing(adjective, false, dishonest, deceitful, unreliable)
4
undependable(adjective, false, dishonest, deceitful, unpredictable)
4
wicked(adjective, mean, base, false, immoral)
3
adulterous(adjective, false, improper, fickle, untrue)
11 years ago|14k views|share |citing 
APASmart Define. (2015). unfaithful thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unfaithful/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfaithful thesaurus" https://smartdefine.org/unfaithful/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unfaithful thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unfaithful/thesaurus/synonyms>.
MLASmart Define. "unfaithful thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/unfaithful/thesaurus/synonyms>