2
anticipatory
2
belated(inopportune, untimely)
2
crude(adjective, inexperienced, young, childish, undeveloped)
2
delinquent(inopportune, untimely)
2
half-cocked(adjective, impulsive, rash)
2
ill-advised(careless, thoughtless, impulsive, reckless, hasty)
2
incipient
2
incomplete(adjective, earlier)
2
jejune(inexperienced, young, childish, undeveloped, unformed)
2
old
2
overdue
2
prematurely
2
prematurity
2
unready
2
young(adjective, first, inexperienced, primary, childish)
1
adolescent(inexperienced, young, childish, undeveloped, unformed)
1
adventurous(careless, thoughtless, impulsive, reckless, hasty)
1
ago
1
ahead(adverb, early, headlong, onward)
1
antecedent
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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>