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

• energized
• freshened
• invigorated
• new
• reanimated
• reborn
• recreated
• reenergized
• refreshed
• regenerated
• reinvigorated
• renewed
• resuscitated
• revived

Noun

• babe
• baby
• bambino
• child
• infant
• neonate

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

Man kissing his wife holding a newborn baby boy in kitchen. —Daniella Gray, MSNBC Newsweek, 7 June 2025

At that point, doctors told DeVos about an unconventional treatment option for her newborn. —Vanessa Etienne, People.com, 6 June 2025

Noun

The center ensures proper nourishment for newborns in critical condition, including many born prematurely. —Maryanne Murray Buechner, Forbes.com, 7 June 2025

The new parents announced their son’s arrival a few days after his birth, sharing a joint Instagram post with a photo of the newborn sleeping next to a wooden sign. —Jacqueline Weiss, People.com, 6 June 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