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 of newborn

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

At the same time, the house next door to us was sold to a family with six children, ranging in age from newborn to 10 years old. — R. Eric Thomas, Chicago Tribune, 29 Aug. 2026

The documents land as the US itself is grappling with slipping vaccination rates and unbridled measles outbreaks, which have killed two people, including a newborn, this year. — Beth Mole, ArsTechnica, 28 Aug. 2026

Noun

In a state first, a Safe Haven Baby Box is opening in Henry County, Georgia, allowing mothers in crisis to surrender their newborns anonymously and safely. — Irene Wright, USA Today, 28 Aug. 2026

Somewhere right now, a nurse is scoring a newborn out of ten because Virginia saw over breakfast something nobody else had bothered to address. — Stacy L. Hambleton, Fortune, 28 Aug. 2026

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