57 entries under unprincipled topic. ×

22
faithless(noun, adjective, mean, continue, base)
21
treacherous(adjective, mean, continue, base, false)
21
disloyal(adjective, mean, bad, continue, base)
20
perfidious(adjective, mean, continue, base, false)
19
traitorous(adjective, mean, continue, base, false)
15
fickle(adjective, false, cold, hot, dishonest)
15
untrustworthy(adjective, mean, base, false, dishonest)
14
inconstant(adjective, false, dishonest, immoral, unpredictable)
10
treasonable(adjective, mean, bad, base, false)
9
treasonous(adjective, fickle, untrustworthy, disloyal)
8
dishonest(adjective, false, immoral, deceitful, unreliable)
5
of bad faith(expression, adjective, idiom, false, fickle)
4
two-timing(adjective, false, dishonest, deceitful, unreliable)
3
adulterous(adjective, false, improper, fickle, untrue)
3
double-dealing(noun, adjective, mean, base, false)
3
duplicitous(noun, adjective, mean, bad, base)
3
not true to(expression, adjective, idiom, false, fickle)
3
trustless(adjective, false, dishonest, deceitful, unreliable)
3
untrusty(adjective, false, dishonest, deceitful, unreliable)
2
changeful(adjective, false, dishonest, dubious, fickle)
<123>
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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>