116 entries under variable topic. ×

8
wavering(adjective, upset, uncertain, anxious, unstable)
6
changeful(adjective, upset, careless, anxious, unstable)
6
dubious(adjective, weak, loose, uncertain, irregular)
6
fitful(adjective, careless, strange, unstable, unreasonable)
6
indecisive(adjective, uncertain, unstable, shy, doubtful)
6
irresolute(adjective, uncertain, unstable, shy, irregular)
6
mutable(adjective, upset, careless, uncertain, anxious)
6
ticklish(noun, adjective, upset, change, continue)
6
vacillating(adjective, uncertain, unstable, shy, irregular)
5
irresponsible(adjective, careless, foolish, unstable, unsettled)
5
questionable(adjective, uncertain, doubtful, vague, hesitant)
5
shifting(adjective, upset, strange, anxious, unstable)
5
tricky(noun, adjective, weak, difficult, delicate)
5
untrustworthy(adjective, weak, careless, loose, foolish)
4
moody(adjective, careless, sensitive, unstable, unreasonable)
4
skittish(unstable, unsettled)
4
treacherous(adjective, careless, loose, unreliable, fickle)
4
unsound(adjective, careless, loose, uncertain, unreliable)
4
varying(adjective, unstable, irregular, unsettled, unreliable)
3
changing(adjective, upset, uncertain, anxious, worried)
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APASmart Define. (2015). unpredictable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unpredictable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpredictable thesaurus" https://smartdefine.org/unpredictable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unpredictable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unpredictable/thesaurus/synonyms>.
MLASmart Define. "unpredictable thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/unpredictable/thesaurus/synonyms>