97 entries under fickle topic. ×

2
falsehearted(untrustworthy, unprincipled, dirty-dealing)
2
lubricious(adjective, honest, dishonest, cunning)
2
two-timing(adjective, bad, wrong, false, corrupt)
2
unreliable(adjective, false, true, dishonest, deceitful)
1
delusive(adjective, mean, smooth, smart, false)
1
disloyal(untrustworthy, unprincipled, unfaithful, traitorous)
1
disreputable(adjective, bad, wrong, false, dishonest)
1
double-crossing(adjective, bad, wrong, false, corrupt)
1
erratic(adjective, unpredictable, variable, ambiguous)
1
fly-by-night(adjective, bad, wrong, false, dishonest)
1
mercentary(corrupt, dishonest, immoral, untrustworthy)
1
stop-at-nothing(corrupt, dishonest, immoral, untrustworthy)
1
uncertain(adjective, irregular, unpredictable, suspicious)
1
unfaithful(adjective, false, unpredictable, variable)
0
adulterine(untrustworthy, unprincipled, dirty-dealing)
0
adulterous(untrustworthy, unprincipled, dirty-dealing)
0
bigamous(untrustworthy, unprincipled)
0
capricious(adjective, unpredictable, variable, undependable)
0
changeable(adjective, unpredictable, variable, undependable)
0
changeful(untrustworthy, unprincipled, dirty-dealing)
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APASmart Define. (2015). underhand thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/underhand/thesaurus/synonyms
ChicagoSmart Define. 2015. "underhand thesaurus" https://smartdefine.org/underhand/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, underhand thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/underhand/thesaurus/synonyms>.
MLASmart Define. "underhand thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/underhand/thesaurus/synonyms>