58 entries under adjective topic. ×

22
early(time, intelligent, quick, unwarranted)
20
untimely(time, quick, impulsive, inappropriate)
12
precocious(time, smart, quick, early)
11
immature(careless, quick, impulsive, inexperienced)
11
hasty(careless, thoughtless, impulsive, rash)
10
soon(adverb, quick, improper, inappropriate)
10
inopportune(improper, impulsive, inappropriate, rash)
9
previous(impulsive, rash, earlier)
9
forward(adverb, early, earlier, headlong)
9
undeveloped(first, inexperienced, primary, young)
9
unripe(inexperienced, young, earlier, childish)
8
precipitate(verb, careless, thoughtless, impulsive)
7
green(informal, inexperienced, young, earlier)
7
too soon(expression, idiom, impulsive, rash)
7
unfledged(inexperienced, young, earlier, childish)
7
unseasonable(improper, inappropriate, inexperienced, unfortunate)
4
ill-considered(careless, thoughtless, impulsive, rash)
4
overhasty(careless, thoughtless, impulsive, rash)
4
underdeveloped(inexperienced, young, childish, undeveloped)
3
embryonic
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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>