56 entries under fickle topic. ×

3
fair-weather(adjective, dishonest, deceitful, unreliable)
3
lying(noun, adjective, false, dishonest, cunning)
3
unloyal(adjective, wrong, false, dishonest, unsound)
2
amoral(adjective, untrustworthy, unprincipled, dirty-dealing)
2
double-crossing(adjective, false, dishonest, changeable)
2
falsehearted(adjective, mean, bad, evil, low)
2
not true to(expression, adjective, idiom, false)
2
unassured(adjective, dishonest, deceitful, unreliable)
2
unethical(adjective, dishonest, immoral, rotten)
2
unpatriotic(adjective, untrue, untrustworthy, unprincipled)
1
adulterine(adjective, false, untrue, untrustworthy)
1
double dealing(noun, expression, adjective, false, rotten)
1
foresworn(adjective, false, untrue, untrustworthy)
1
moonlighting(adjective, false, untrue, untrustworthy)
1
quicksilver(changeable, untrue, untrustworthy, unprincipled)
1
undutiful(adjective, untrue, untrustworthy, unprincipled)
1
untrusty(adjective, false, dishonest, deceitful, unreliable)
0
bigamous(untrustworthy, unprincipled)
0
committing perjury(expression, untrustworthy, unprincipled, dirty-dealing)
0
dirty-dealing(untrustworthy, unprincipled)
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APASmart Define. (2015). faithless thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/faithless/thesaurus/synonyms
ChicagoSmart Define. 2015. "faithless thesaurus" https://smartdefine.org/faithless/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, faithless thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/faithless/thesaurus/synonyms>.
MLASmart Define. "faithless thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/faithless/thesaurus/synonyms>