33 entries under fickle topic. ×

20
variable(adjective, unstable, unsettled, unpredictable, unreliable)
18
mutable(adjective, unstable, unsettled, unpredictable, unreliable)
11
fluid(noun, adjective, unstable, unsettled, unpredictable)
11
inconstant(adjective, unstable, unsettled, unpredictable, unreliable)
10
unsettled(adjective, unstable, unpredictable, unreliable, changeable)
10
unstable(adjective, unsettled, unpredictable, unreliable, changeable)
8
uncertain(adjective, unstable, unsettled, unpredictable, unreliable)
7
flexible(adjective, exceptional, skilled, changeable)
7
changeful(adjective, unstable, unsettled, unpredictable, unreliable)
7
unsteady(adjective, unstable, unsettled, unpredictable, unreliable)
7
volatile(adjective, unstable, unsettled, unpredictable, unreliable)
5
changing(adjective, changeable, volatile, wavering)
5
mercurial(adjective, unstable, unsettled, unpredictable, unreliable)
5
mobile(adjective, unstable, unsettled, unpredictable, unreliable)
5
shifting(adjective, unstable, unsettled, unpredictable, unreliable)
5
varying(adjective, unstable, unsettled, unpredictable, unreliable)
4
capricious(adjective, unstable, unsettled, unpredictable, unreliable)
4
fluctuating(adjective, unstable, unsettled, unpredictable, unreliable)
3
unpredictable(adjective, unstable, unsettled, unreliable, changeable)
3
vacillating(adjective, unstable, unsettled, unpredictable, unreliable)
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APASmart Define. (2015). protean thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/protean/thesaurus/synonyms
ChicagoSmart Define. 2015. "protean thesaurus" https://smartdefine.org/protean/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, protean thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/protean/thesaurus/synonyms>.
MLASmart Define. "protean thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/protean/thesaurus/synonyms>