Synonyms|401Antonyms|151|Broader|7Narrower|11Related|1.6k

57 entries under unprincipled topic. ×

2
double-crossing(adjective, false, dishonest, dubious, changeable)
2
foresworn(adjective, false, fickle, untrue, untrustworthy)
2
unloyal(adjective, wrong, false, dishonest, dubious)
2
unpatriotic(adjective, fickle, untrue, untrustworthy)
1
adulterine(adjective, false, fickle, untrue, untrustworthy)
1
amoral(fickle, untrustworthy, dirty-dealing)
1
double dealing(noun, expression, adjective, false, rotten)
1
fair-weather(adjective, false, dishonest, deceitful, unreliable)
1
falsehearted(adjective, mean, bad, evil, low)
1
lying(noun, adjective, mean, bad, wrong)
1
moonlighting(adjective, false, improper, fickle, untrue)
1
quicksilver(changeable, fickle, untrue, untrustworthy)
1
unconverted(adjective, false, dishonest, dubious, fickle)
1
underhand(adjective, false, unpredictable, fickle, variable)
1
undutiful(adjective, wicked, immoral, deceitful, contrary)
1
unethical(adjective, wicked, dishonest, immoral, deceitful)
1
untruthful(noun, adjective, wrong, false, dishonest)
0
bigamous(fickle, untrustworthy)
0
committing perjury(expression, fickle, untrustworthy, dirty-dealing)
0
dirty-dealing(fickle, untrustworthy)
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APASmart Define. (2015). unfaithful thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/unfaithful/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfaithful thesaurus" https://smartdefine.org/unfaithful/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2015, unfaithful thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/unfaithful/thesaurus/synonyms>.
MLASmart Define. "unfaithful thesaurus" 14 April 2015. Web. 2 October 2026. <https://smartdefine.org/unfaithful/thesaurus/synonyms>