premature

adjective

pre·​ma·​ture ˌprē-mə-ˈchu̇r How to pronounce premature (audio)
-ˈchər,
 also  -ˈtu̇r,
-ˈtyu̇r How to pronounce premature (audio)
 also  ˌpre-
: 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
prematurity noun

Examples of premature in a Sentence

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The zero-emission requirements were expected to eliminate nearly 70,000 tons of smog-forming emissions and 4,500 tons of soot statewide by 2040, preventing more than 1,200 premature deaths and providing $13 billion in public health benefits, according to the California Air Resources Board. Tony Briscoe, Los Angeles Times, 22 May 2025 The Commonwealth Fund’s 2023 Scorecard on State Health System Performance ranked states based on several factors including premature death rates and healthcare access and affordability. Madeline Mitchell, USA Today, 22 May 2025 The premature leaf drop brought on by hot, dry weather is most pronounced on large-leafed, fast-growing shade trees such as cottonwoods, silver maples, catalpas, sycamores and mulberries, among others. Neil Sperry, Fort Worth Star-Telegram, 22 May 2025 In pregnant women, the infection can cause miscarriages, stillbirths, premature delivery or life-threatening infection of the newborn. Jasmine Laws, MSNBC Newsweek, 21 May 2025 See All Example Sentences for premature

Word History

Etymology

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

First Known Use

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 25 May. 2025.

Kids Definition

premature

adjective
: 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

More from Merriam-Webster on premature

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