73 entries under careless topic. ×

4
arbitrary(adjective, unusual, unstable, unreasonable)
4
moody(adjective, sensitive, unstable, unreasonable)
4
treacherous(adjective, loose, unreliable, fickle)
4
unsound(adjective, loose, uncertain, unreliable)
4
wild(noun, adjective, violent, silly)
3
fanciful(adjective, unstable, unreasonable, erratic)
3
giddy(adjective, immoral, thoughtless, uneven)
2
lubricious(adjective, lively, uncertain, active)
2
odd(adjective, unusual, strange, silly)
2
queer(adjective, unusual, strange, crazy)
2
quirky(adjective, unusual, unstable, unreasonable)
2
rash(noun, passionate, violent, immoral)
2
scatterbrained(immoral, thoughtless, reckless, negligent)
2
unaccountable(immoral, thoughtless, reckless, negligent)
1
any way the wind blows(expression, unstable, unreasonable, changeable)
1
blowing hot and cold(expression, unstable, unreasonable, changeable)
1
contrary(adjective, uncertain, unstable, unreasonable)
1
crotchety(adjective, unstable, unreasonable, changeable)
1
devil-may-care(noun, passionate, violent, immoral)
1
effervescent(lively, unstable, unreasonable, impulsive)
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APASmart Define. (2015). unpredictable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unpredictable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpredictable thesaurus" https://smartdefine.org/unpredictable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unpredictable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unpredictable/thesaurus/synonyms>.
MLASmart Define. "unpredictable thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/unpredictable/thesaurus/synonyms>