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.
Unless a woman has had a preterm labor previously, preterm labor is difficult to predict, McDonald said. Nicole Villalpando, Austin American Statesman, 7 Feb. 2026 The New Mexico Department of Health noted that even if a mother is only mildly ill from an infection, Listeria can cause miscarriage, stillbirth, preterm birth, or a deadly infection in newborn babies. Thao Nguyen, USA Today, 4 Feb. 2026 Listeria can cause miscarriage, stillbirth, preterm birth or fatal infections in newborns, even if the mother was only mildly ill. Kerry Breen, CBS News, 3 Feb. 2026 Congenital syphilis can cause a range of adverse outcomes including fetal or neonatal death, preterm birth, low birthweight, and brain and nerve disorders. Theresa Gaffney, STAT, 27 Jan. 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 15 Feb. 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
Last Updated: - Updated example sentences
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