77 entries under careless topic. ×

1
feckless(immoral, thoughtless, reckless, negligent)
1
flaky(lively, unreasonable, irregular, unpredictable)
1
gaga(lively, unreasonable, unreliable, changeable)
1
harebrained(stupid, immoral, thoughtless, unreliable)
1
helter-skelter(unreasonable, unpredictable, changeable, variable)
1
humorsome(unreasonable, unpredictable, changeable, variable)
1
immature(immoral, thoughtless, reckless, vulnerable)
1
immoral(thoughtless, reckless, negligent, capricious)
1
kinky(unreasonable, unpredictable, disturbed, changeable)
1
mindless(foolish, stupid, mad, unreasonable)
1
notional(unreasonable, unpredictable, changeable, variable)
1
odd(unreasonable, unpredictable, changeable, variable)
1
picky(unreasonable, unpredictable, changeable, variable)
1
preposterous(foolish, stupid, unreasonable, unthinking)
1
punchy(unreasonable, unpredictable, changeable, variable)
1
queer(unreasonable, unpredictable, changeable, variable)
1
quirky(adjective, delicate, awkward, unreasonable)
1
rash(stupid, immoral, thoughtless, unthinking)
1
reckless(stupid, thoughtless, unthinking, negligent)
1
thoughtless(immoral, unreliable, changeable, erratic)
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APASmart Define. (2016). unstable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unstable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unstable thesaurus" https://smartdefine.org/unstable/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unstable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unstable/thesaurus/synonyms>.
MLASmart Define. "unstable thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/unstable/thesaurus/synonyms>