Synonyms|453Antonyms|138|Broader|10Narrower|14Related|1.4k

56 entries under unprincipled topic. ×

3
fair-weather(adjective, dishonest, deceitful, unreliable, fickle)
3
lying(noun, adjective, false, dishonest, cunning)
3
unloyal(adjective, wrong, false, dishonest, unsound)
2
amoral(adjective, fickle, untrustworthy, dirty-dealing)
2
double-crossing(adjective, false, dishonest, changeable, fickle)
2
falsehearted(adjective, mean, bad, evil, low)
2
not true to(expression, adjective, idiom, false, fickle)
2
unassured(adjective, dishonest, deceitful, unreliable, fickle)
2
unethical(adjective, dishonest, immoral, rotten, fickle)
2
unpatriotic(adjective, fickle, untrue, untrustworthy)
1
adulterine(adjective, false, fickle, untrue, untrustworthy)
1
double dealing(noun, expression, adjective, false, rotten)
1
foresworn(adjective, false, fickle, untrue, untrustworthy)
1
moonlighting(adjective, false, fickle, untrue, untrustworthy)
1
quicksilver(changeable, fickle, untrue, untrustworthy)
1
undutiful(adjective, fickle, untrue, untrustworthy)
1
untrusty(adjective, false, dishonest, deceitful, unreliable)
0
bigamous(fickle, untrustworthy)
0
committing perjury(expression, fickle, untrustworthy, dirty-dealing)
0
dirty-dealing(fickle, untrustworthy)
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ChicagoSmart Define. 2015. "faithless thesaurus" https://smartdefine.org/faithless/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, faithless thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/faithless/thesaurus/synonyms>.
MLASmart Define. "faithless thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/faithless/thesaurus/synonyms>