13
fitful(adjective, free, rough, wild, unstable)
12
vacillating(adjective, adverb, uncertain, unstable, irregular)
12
wavering(adjective, upset, uncertain, anxious, unstable)
11
fluid(adjective, upset, change, anxious, unstable)
11
alterable(adjective, change, changeable, flexible, compliant)
11
flexible(adjective, responsive, changeable, compliant, pliable)
11
shifting(adjective, upset, uncertain, anxious, unstable)
11
uneven(adjective, smooth, continue, rough, unstable)
11
unreliable(adjective, passionate, unstable, irregular, doubtful)
11
versatile(adjective, unstable, unsettled, unpredictable, unreliable)
10
changeful(adjective, upset, careless, anxious, unstable)
10
changing(adjective, upset, rough, uncertain, anxious)
10
flighty(adjective, careless, unstable, unreasonable, unsettled)
10
undependable(adjective, passionate, unstable, irregular, unsettled)
9
adaptable(adjective, complex, deep, tolerant, skilled)
9
mobile(adjective, upset, lively, uncertain, active)
9
temperamental(adjective, change, continue, delicate, careless)
8
desultory(adjective, irregular, unpredictable, disturbed, unreliable)
8
unfixed(adjective, unstable, doubtful, unsettled, vague)
7
adjustable(adjective, tolerant, responsive, changeable, flexible)
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APASmart Define. (2015). variable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/variable/thesaurus/synonyms
ChicagoSmart Define. 2015. "variable thesaurus" https://smartdefine.org/variable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, variable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/variable/thesaurus/synonyms>.
MLASmart Define. "variable thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/variable/thesaurus/synonyms>