45 entries under fickle topic. ×

8
unreliable(adjective, unstable, unsettled, changeable)
7
flexible(adjective, changeable, volatile, changing)
7
irresolute(adjective, unstable, unsettled, unpredictable, unreliable)
7
undependable(adjective, unstable, unsettled, variable)
6
indecisive(adjective, unstable, unsettled, changeable)
6
plastic(adjective, elastic)
6
unpredictable(adjective, upset, careless, uncertain, anxious)
6
varying(adjective, unstable, unsettled, unpredictable, unreliable)
5
flighty(adjective, careless, unstable, unreasonable, unsettled)
5
impulsive(adjective, careless, unstable, unreasonable, unsettled)
5
malleable(adjective, elastic)
5
modifiable(adjective, changeable)
4
fitful(adjective, careless, unstable, unreasonable, unsettled)
4
irregular(adjective, unstable, unsettled, unpredictable, unreliable)
4
permutable(adjective, unstable, unsettled, variable)
4
pliant(adjective, elastic)
4
temperamental(adjective, careless, unstable, unreasonable, impulsive)
3
doubtful(adjective, uneven, unbalanced, unhinged)
3
ticklish(adjective, upset, careless, uncertain, anxious)
2
pliable
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APASmart Define. (2016). mutable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mutable/thesaurus/synonyms
ChicagoSmart Define. 2016. "mutable thesaurus" https://smartdefine.org/mutable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, mutable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mutable/thesaurus/synonyms>.
MLASmart Define. "mutable thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/mutable/thesaurus/synonyms>