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
The Paid Leave program allows employees partial pay for medical reasons, to bond with a newborn baby or care for a family member. Ashley Grams, CBS News, 1 Jan. 2026 This family had traversed the jungle of the notorious Darien Gap with newborn Ashley, fleeing Ecuador to follow their dream of a safer life in America. Carol Guzy, Miami Herald, 1 Jan. 2026
Noun
According to the affidavit of probable cause, a detective present at the infant’s autopsy stated that the cause of death appeared to be suffocation, alleging that the newborn might have been sleeping in the same bed as the parents. Shannon Tyler, Idaho Statesman, 30 Dec. 2025 As the Christmas season comes to a close, news has emerged that Prince George, Princess Charlotte, and Prince Louis made a generous donation to The Baby Bank, which supplies families in need with essentials for newborns and children. Rachel Burchfield, InStyle, 29 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 2 Jan. 2026.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!