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.
Closing education and access gaps can reduce risks, especially for communities facing high rates of preterm birth and poor outcomes. Hannah Nwoko, Parents, 4 Jan. 2026 Using the March of Dimes grading criteria for preterm birth rate, California had a B- and Orange County a B in 2023. Teri Sforza, Oc Register, 4 Jan. 2026 Prenatal sleep problems such as short sleep, sleep apnea and restless sleep can lead to preterm births and low birth weight in newborns. Jenalee Doom, The Conversation, 12 Dec. 2025 Athena was born prematurely in January, and Beatrice has spoken out about the emotions that come with welcoming a preterm baby. Stephanie Petit, PEOPLE, 12 Dec. 2025 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 13 Jan. 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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