newborn

1 of 2

adjective

new·​born ˈnü-ˌbȯrn How to pronounce newborn (audio)
ˈnyü-
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
Authorities later confirmed that the remains were those of a newborn infant. Jeramie Bizzle, CBS News, 10 Dec. 2025 Monica, an author from Pennsylvania visiting family in New Jersey, bought the tag of a 9-year-old boy; Storms, another small content creator in the area, picked up tags for two little girls; and her mother-in-law, Susan Stead, grabbed the tags for two babies — one a newborn and one 10 months old. Jordan Greene, PEOPLE, 9 Dec. 2025
Noun
Portable Sound Machine White noise can work wonders for newborns who are used to the ambient sounds within the womb. Emily Glover, Parents, 9 Dec. 2025 Springfield Fire Department and Mercy EMTs were alerted to the incident; however, the newborn made their arrival before first responders got to the scene. Madison E. Goldberg, PEOPLE, 9 Dec. 2025 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 12 Dec. 2025.

Kids Definition

newborn

1 of 2 adjective
new·​born ˈn(y)ü-ˈbȯ(ə)rn How to pronounce newborn (audio)
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
new·​born ˈn(y)ü-ˈbȯ(ə)rn How to pronounce newborn (audio)
1
: recently born
a newborn infant
2
: affecting or relating to the newborn

newborn

2 of 2 noun
new·​born -ˌbȯ(ə)rn How to pronounce newborn (audio)
plural newborn or newborns
: a newborn infant : neonate

More from Merriam-Webster on newborn

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