1
frenzied(careless, thoughtless, impulsive, reckless, hasty)
1
furious(careless, thoughtless, impulsive, reckless, hasty)
1
half-grown(adjective, inexperienced, young, childish, undeveloped)
1
harebrained(careless, thoughtless, impulsive, reckless, hasty)
1
headlong(careless, thoughtless, impulsive, reckless, hasty)
1
headstrong(careless, thoughtless, impulsive, reckless, hasty)
1
heedless(careless, thoughtless, impulsive, reckless, hasty)
1
hotheaded(careless, thoughtless, impulsive, reckless, hasty)
1
ill-seasoned
1
imperfect(inexperienced, young, childish, undeveloped, unformed)
1
impetuous(careless, thoughtless, impulsive, reckless, hasty)
1
imprudent(careless, thoughtless, impulsive, reckless, hasty)
1
in advance(expression, quick, early, headlong, beforehand)
1
incautious(careless, thoughtless, impulsive, reckless, hasty)
1
inchoate
1
indigested
1
indiscreet(careless, thoughtless, impulsive, reckless, hasty)
1
infantile(inexperienced, young, childish, undeveloped, unformed)
1
infantine(inexperienced, young, childish, undeveloped, unformed)
1
injudicious(careless, thoughtless, impulsive, reckless, hasty)
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APASmart Define. (2015). premature thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/premature/thesaurus/synonyms
ChicagoSmart Define. 2015. "premature thesaurus" https://smartdefine.org/premature/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, premature thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/premature/thesaurus/synonyms>.
MLASmart Define. "premature thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/premature/thesaurus/synonyms>