63 entries under thoughtless topic. ×

28
capricious(adjective, change, continue, unusual, passionate)
27
unstable(adjective, upset, change, continue, passionate)
22
unreliable(adjective, passionate, careless, foolish, unstable)
17
fickle(adjective, change, continue, passionate, careless)
14
undependable(adjective, passionate, careless, foolish, unstable)
8
impulsive(noun, adjective, extraordinary, unusual, careless)
8
unexpected(adjective, passionate, violent, uncertain)
5
irresponsible(adjective, careless, foolish, unstable, unsettled)
5
untrustworthy(adjective, weak, careless, loose, foolish)
4
impetuous(noun, passionate, violent, unstable)
4
sudden(noun, extraordinary, passionate, violent, wonderful)
4
wild(noun, adjective, violent, careless, silly)
3
giddy(adjective, careless, immoral, uneven)
3
unpremeditated(noun, adjective, passionate, violent)
2
emotional(noun, passionate, violent, unstable)
2
extemporaneous(noun, impetuous, unwary)
2
instinctive(noun, passionate, violent, abrupt)
2
involuntary(noun, passionate, violent, abrupt)
2
rash(noun, passionate, violent, careless, immoral)
2
scatterbrained(careless, immoral, reckless, negligent)
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APASmart Define. (2015). unpredictable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unpredictable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpredictable thesaurus" https://smartdefine.org/unpredictable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unpredictable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unpredictable/thesaurus/synonyms>.
MLASmart Define. "unpredictable thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/unpredictable/thesaurus/synonyms>