preterm

adjective

pre·​term (ˌ)prē-ˈtərm How to pronounce preterm (audio)
ˈprē-ˌtərm
: of, relating to, being, or brought forth by premature birth
a preterm infant
preterm labor

Examples of preterm in a Sentence

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.
Allyson Felix still remembers the beeping of the monitors in the NICU as her daughter was fighting for her life after her preterm birth in 2018. Regina Mahone, Washington Post, 4 June 2026 Waldorf was suffering a high-risk complication called previable preterm premature rupture of membranes (PPROM) and doctors said her uterus was exposed to bacteria. Vanessa Etienne, PEOPLE, 2 June 2026 Ozone and particle pollution can cause premature death and other health effects, including asthma attacks, heart attacks, strokes, preterm birth and impaired cognitive function, according to the American Lung Association. Maya Wilkins, Chicago Tribune, 29 May 2026 When her son Nico was born at 32 weeks in 2020, Herrera-Moreno was already on disability leave, having entered preterm labor weeks earlier. ABC News, 17 May 2026 See All Example Sentences for preterm

Word History

First Known Use

1928, in the meaning defined above

Time Traveler
The first known use of preterm was in 1928

Browse Nearby Words

Cite this Entry

“Preterm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/preterm. Accessed 11 Jun. 2026.

Medical Definition

preterm

adjective
pre·​term -ˈtərm How to pronounce preterm (audio)
: of, relating to, being, or born by premature birth
preterm infants
a preterm delivery
preterm labor
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