59 entries under unpredictable topic. ×

8
varying(verb, adjective, unstable, irregular, unsettled)
7
inconsistent(adjective, weak, uncertain, unstable, irregular)
7
undependable(adjective, unstable, irregular, unsettled)
6
impulsive(adjective, lively, active, unstable, irregular)
6
spasmodic(adjective, rough, unstable, regular, irregular)
5
shifting(verb, adjective, unstable, irregular, unsettled)
5
whimsical(adjective, free, wild, unstable, unsettled)
4
changeful(adjective, unstable, dishonest, irregular, unsettled)
4
fluid(adjective, unstable, unsettled, unreliable)
3
mobile(adjective, lively, active, unstable, unsettled)
3
protean(adjective, unstable, unsettled, unreliable)
2
temperamental(adjective, weak, lively, uncertain, active)
1
blowing hot and cold(expression, idiom, lively, changeable)
1
bubbleheaded(lively, changeable, temperamental, resilient)
1
buoyant(lively, detached, changeable, variable)
1
elastic(lively, changeable, variable, temperamental)
1
expansive(lively, changeable, temperamental, resilient)
1
flaky(lively, changeable, temperamental)
1
flip(lively, changeable, resilient)
1
gay(lively, changeable, resilient)
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APASmart Define. (2015). fluctuating thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fluctuating/thesaurus/synonyms
ChicagoSmart Define. 2015. "fluctuating thesaurus" https://smartdefine.org/fluctuating/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fluctuating thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fluctuating/thesaurus/synonyms>.
MLASmart Define. "fluctuating thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/fluctuating/thesaurus/synonyms>