67 entries under careless topic. ×

1
harebrained(silly, stupid, thoughtless, impulsive)
1
hasty(slight, foolish, limited, thoughtless)
1
headlong(thoughtless, impulsive, reckless, hasty)
1
headstrong(thoughtless, impulsive, reckless, hasty)
1
hotheaded(thoughtless, impulsive, reckless, hasty)
1
ill-advised(foolish, thoughtless, impulsive, rash)
1
impetuous(thoughtless, impulsive, reckless, hasty)
1
imprudent(foolish, stupid, thoughtless, impulsive)
1
incautious(thoughtless, impulsive, reckless, negligent)
1
indiscreet(foolish, thoughtless, impulsive, rash)
1
inept(adjective, poor, new, foolish)
1
injudicious(foolish, thoughtless, impulsive, rash)
1
insuppressible(thoughtless, impulsive, reckless, hasty)
1
irrational(stupid, thoughtless, impulsive, absurd)
1
jumping to conclusions(expression, idiom, thoughtless, impulsive)
1
loose(unstable, immoral, thoughtless, vulnerable)
1
madcap(thoughtless, impulsive, reckless, hasty)
1
negligent(adjective, reckless)
1
overhasty(thoughtless, impulsive, reckless, hasty)
1
passionate(thoughtless, impulsive, reckless, hasty)
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APASmart Define. (2016). immature thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/immature/thesaurus/synonyms
ChicagoSmart Define. 2016. "immature thesaurus" https://smartdefine.org/immature/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, immature thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/immature/thesaurus/synonyms>.
MLASmart Define. "immature thesaurus" 29 February 2016. Web. 30 September 2026. <https://smartdefine.org/immature/thesaurus/synonyms>