1
faux
1
fictive
1
fitful(adjective, changeable, indecisive, inconsistent)
1
fixed(adjective, dishonest, immoral, rotten, untrustworthy)
1
flighty(adjective, changeable, indecisive, inconsistent)
1
forsworn(adjective, mean, bad, wrong, base)
1
foul(adjective, mean, bad, base, dishonest)
1
fraudulent(adjective, dishonest, immoral, rotten, untrustworthy)
1
gone to the dogs(expression, adjective, idiom, dishonest, immoral)
1
haywire
1
imitation
1
improper
1
in error(expression, wrong, false, careless, inexact)
1
inattentive
1
incorrect(wrong, false, inexact, imprecise, erroneous)
1
indecent
1
iniquitous(adjective, wicked, dishonest, immoral, deceitful)
1
inobservant
1
insurrectionist
1
intentionally 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>