newborn

1 of 2

adjective

Synonyms of newbornnext
1
: recently born
2
: born anew

newborn

2 of 2

noun

plural newborn or newborns
: a newborn individual

Examples of newborn in a Sentence

Adjective felt like a newborn activist after that pep rally Noun a mother goat and all of her newborn intentionally bought clothes that were too big for her newborn but which undoubtedly would fit him in a few months
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.
Adjective
In a black-and-white photo, Maluma can be seen holding his newborn baby in one arm while draping the other around Gomez, pressing his forehead to hers. Hannah Sacks, PEOPLE, 15 Sep. 2026 Part of her role is helping train about a dozen doctors and nurses in Butembo on how to adjust this care for pediatric and newborn patients. Durrie Bouscaren, NPR, 10 Sep. 2026
Noun
Listeria monocytogenes can cause listeriosis, a serious infection that can be especially dangerous for older adults, people with weakened immune systems, pregnant individuals and newborns. Angela Rodriguez, Sacbee.com, 9 Sep. 2026 Pregnant people and their newborns are also particularly vulnerable; an infection during pregnancy can cause miscarriage, stillbirth, premature delivery, or a life-threatening infection in the newborn. Amber Brenza, HEALTH, 8 Sep. 2026 See All Example Sentences for newborn

Word History

First Known Use

Adjective

14th century, in the meaning defined at sense 1

Noun

1786, in the meaning defined above

Time Traveler
The first known use of newborn was in the 14th century

Browse Nearby Words

Cite this Entry

“Newborn.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/newborn. Accessed 17 Sep. 2026.

Kids Definition

newborn

1 of 2 adjective
1
: recently born
2
: born anew

newborn

2 of 2 noun
plural newborn or newborns
: a newborn individual

Medical Definition

newborn

1 of 2 adjective
1
: recently born
a newborn infant
2
: affecting or relating to the newborn

newborn

2 of 2 noun
plural newborn or newborns
: a newborn infant : neonate
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