9
irregular(adjective, lively, uncertain, active, unstable)
9
restless(adjective, unstable, unsettled, changeable, variable)
9
untrue(adjective, false, cold, hot, dishonest)
8
ticklish(adjective, change, continue, difficult, delicate)
8
treacherous(adjective, false, unstable, dishonest, shaky)
8
disloyal(adjective, false, dishonest, deceitful, unreliable)
8
false(adjective, dishonest, deceitful, unpredictable, unreliable)
8
flitting(adjective, capricious, irresolute, transient, motiveless)
8
incalculable(adjective, unreliable, insecure, treacherous)
8
skittish(adjective, nervous, unstable, unsettled, variable)
8
transient(adjective, impulsive, unpredictable, changeableness, transient)
8
unfixed(adjective, unstable, unsettled, variable, changeableness)
7
arbitrary(adjective, careless, cold, hot, unstable)
7
ephemeral(adjective, impulsive, unpredictable, transient, explosive)
7
flickering(adjective, irregular, changeable, variable, transient)
7
impermanent(adjective, impulsive, unpredictable, transient, explosive)
7
momentary(adjective, impulsive, unpredictable, transient, explosive)
7
precarious(adjective, unreliable, changeable, insecure, treacherous)
7
transitory(adjective, impulsive, unpredictable, transient, explosive)
7
undecided(adjective, weak, uncertain, doubtful, hesitant)
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APASmart Define. (2016). fickle thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fickle/thesaurus/synonyms
ChicagoSmart Define. 2016. "fickle thesaurus" https://smartdefine.org/fickle/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, fickle thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fickle/thesaurus/synonyms>.
MLASmart Define. "fickle thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/fickle/thesaurus/synonyms>