2
unprincipled(adjective, dishonest, immoral, rotten, fickle)
2
unstable(adjective, false, dishonest, dubious, unpredictable)
2
unsteadfast
2
unsteady(adjective, changeable, untrue, frivolous, indecisive)
2
unsure(adjective, false, dishonest, deceitful, unpredictable)
2
volatile(adjective, changeable, indecisive, inconsistent)
2
wavering(adjective, false, dishonest, dubious, unpredictable)
2
wrong(adjective, false, incorrect, inexact, imprecise)
1
adrift
1
adulterine(adjective, false, fickle, untrue, untrustworthy)
1
all wet(expression, wrong, false, unreliable, inexact)
1
amoral(fickle, untrustworthy, unprincipled, dirty-dealing)
1
bent(adjective, dishonest, immoral, rotten, untrustworthy)
1
betraying(adjective, false, dishonest, untrue, slick)
1
bribable(adjective, dishonest, immoral, rotten, untrustworthy)
1
canting(adjective, mean, base, wicked, immoral)
1
careless(adjective, wrong, false, unreliable, incorrect)
1
cheat
1
counterfactual(wrong, false, unreliable, incorrect, inexact)
1
counterfeit
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>