premature

1 of 2

adjective

Synonyms of premature
: happening, arriving, existing, or performed before the proper, usual, or intended time
especially : born after a gestation period of less than 37 weeks
premature babies
premature noun
prematurely adverb
prematureness noun

prematureness

2 of 2

noun

pre·​ma·​ture·​ness
plural -es
: the quality or state of being premature : prematurity

Examples of premature in a Sentence

Adjective Her premature death at age 30 stunned her family and friends. Too much exposure to the sun can cause the premature aging of skin.
Recent Examples on the Web
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Adjective
The 'Secretary Problem' illustrates how organizations often make premature hiring decisions, failing to adequately sample the candidate pool to establish proper benchmarks. Alexander Puutio, Forbes.com, 28 Aug. 2026 Engineers often limit their performance to prevent damage or premature failure. Aamir Khollam, Interesting Engineering, 27 Aug. 2026 The high court majority found the initial Democratic lawsuit was premature, but that was before the Republican administration issued a rule governing Postal Service delivery of mail ballots. Nicholas Riccardi, Los Angeles Times, 26 Aug. 2026 Attorneys representing the Texas Governor’s Office said the governor has not yet officially decided to deny or grant Minnesota’s extradition request and therefore the lawsuit is premature. ABC News, 26 Aug. 2026 See All Example Sentences for premature

Word History

Etymology

Adjective

Latin praematurus too early, from prae- + maturus ripe, mature

First Known Use

Adjective

circa 1529, in the meaning defined above

Time Traveler
The first known use of premature was circa 1529

Browse Nearby Words

Cite this Entry

“Premature.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/premature. Accessed 31 Aug. 2026.

Kids Definition

: happening, coming, existing, or done before the proper or usual time
especially : born after a period of pregnancy of less than 37 weeks
premature babies
prematurely adverb

Medical Definition

premature

1 of 2 adjective
pre·​ma·​ture
-mə-ˈt(y)u̇(ə)r, -ˈchu̇(ə)r, chiefly British ˌprem-ə-
: happening, arriving, existing, or performed before the proper, usual, or intended time
premature puberty
premature aging
especially : born after a gestation period of less than 37 weeks
premature babies
prematurely adverb

premature

2 of 2 noun
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