100 entries under fickle topic. ×

3
erroneous(adjective, wrong, false, dishonest, unpredictable)
3
fair-weather(adjective, dishonest, deceitful, unreliable)
3
fake(adjective, unpredictable, variable, undependable)
3
furtive(adjective, false, dishonest, cunning, deceitful)
3
inaccurate(adjective, wrong, false, dishonest, unpredictable)
2
amoral(adjective, unprincipled)
2
changeable(adjective, weak, false, loose, uncertain)
2
changeful(adjective, false, dishonest, dubious)
2
erratic(adjective, weak, loose, uncertain, doubtful)
2
treasonable(adjective, mean, base, false)
2
treasonous(adjective, unprincipled)
2
two-timing(adjective, false, dishonest, deceitful, lying)
2
unethical(adjective, dishonest, immoral, rotten)
2
unpatriotic(adjective, untrue, unprincipled, treacherous)
2
vacillating(adjective, weak, uncertain, nervous, doubtful)
2
variable(adjective, weak, loose, uncertain, doubtful)
1
adulterine(adjective, false, untrue, unprincipled)
1
adulterous(adjective, false, untrue, unprincipled)
1
delusive(adjective, mean, bad, wrong, false)
1
falsehearted(adjective, mean, bad, evil, base)
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APASmart Define. (2016). untrustworthy thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/untrustworthy/thesaurus/synonyms
ChicagoSmart Define. 2016. "untrustworthy thesaurus" https://smartdefine.org/untrustworthy/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, untrustworthy thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/untrustworthy/thesaurus/synonyms>.
MLASmart Define. "untrustworthy thesaurus" 14 March 2016. Web. 1 October 2026. <https://smartdefine.org/untrustworthy/thesaurus/synonyms>