newborn

1 of 2

adjective

new·​born ˈnü-ˌbȯrn 

ˈnyü-

1

: recently born

2

: born anew

newborn

2 of 2

noun

plural newborn or newborns

: a newborn individual

Synonyms

Adjective

• refreshed
• new
• revived
• reborn
• resuscitated
• rested
• renewed
• regenerated
• energized
• reanimated

Noun

• child
• baby
• infant
• toddler

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

Adjective

The newborn experienced lung issues and infections and was kept in the hospital’s Regional Newborn Intensive Care Unit for eight months. —Raven Brunner, People.com, 14 July 2025

The powerful entity attacked Naruto’s home, the Hidden Tree Village, before his birth, and the boy’s father used his newborn son as a vessel to trap the demon. —Declan Gallagher, EW.com, 12 July 2025

Noun

The dead included a newborn who was delivered in a complex surgery after his mother, who was seven months pregnant, was killed in a strike, according to the Nasser Hospital. —Wafaa Shurafa, Chicago Tribune, 28 July 2025

In the first image, the newborn’s tiny foot is gently cradled by what appears to be both Pons and Guaynaa. —Mitchell Peters, Billboard, 27 July 2025

Word History

First Known Use

Adjective

14th century, in the meaning defined at sense 1

Noun

1786, in the meaning defined above

Phrases Containing newborn

• hemolytic disease of the newborn

Kids Definition

newborn

1 of 2 adjective

new·​born ˈn(y)ü-ˈbȯ(ə)rn 

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 

1

: recently born

a newborn infant

2

: affecting or relating to the newborn

newborn

2 of 2 noun

new·​born -ˌbȯ(ə)rn 

plural newborn or newborns

: a newborn infant : neonate