455 entries under adjective topic. ×

4
explosive(passionate, unstable, impulsive, unpredictable)
4
fair-weather(dishonest, deceitful, unreliable, untrustworthy)
4
fallible(unpredictable, unreliable, variable, insecure)
4
fluid(unstable, unsettled, unpredictable, unreliable)
4
fly by night(unreliable, insecure, treacherous, incalculable)
4
fugacious(impulsive, unpredictable, explosive)
4
fugitive(impulsive, unpredictable, explosive)
4
iffy(unreliable, changeable, insecure, erratic)
4
movable(lively, unstable, unsettled, unpredictable)
4
questionable(dishonest, deceitful, unpredictable, unreliable)
4
random(changeable, erratic, frivolous, haphazard)
4
spasmodic(unstable, unsettled, unpredictable, unreliable)
4
spineless
4
sporadic(capricious, motiveless)
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traitorous(false, dishonest, dubious, untrue)
4
uneven(unbalanced, unhinged)
4
unresolved
4
varying(unstable, irregular, unsettled, unpredictable)
4
wandering
4
weak(uncertain, sensitive, doubtful, dubious)
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APASmart Define. (2016). fickle thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fickle/thesaurus/synonyms
ChicagoSmart Define. 2016. "fickle thesaurus" https://smartdefine.org/fickle/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, fickle thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fickle/thesaurus/synonyms>.
MLASmart Define. "fickle thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/fickle/thesaurus/synonyms>