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

New York State law allows parents to anonymously abandon a newborn up to 30 days of age anonymously. —Alexa Herrera, CBS News, 22 Apr. 2026

In September 2025, the couple — who are parents to a 3-year-old son — announced the death of their newborn daughter, Della Elizabeth. —Christina Dugan Ramirez, FOXNews.com, 21 Apr. 2026

Noun

Data continue to show that the COVID vaccines are safe and effective, and protect both pregnant women — who are susceptible to more severe disease should they get infected — and their newborns, Silverman said. —Los Angeles Times, 20 Apr. 2026

But this perspective relies almost exclusively on just one high-profile, yet deeply flawed, study of 102 newborns. —Lise Eliot, The Conversation, 20 Apr. 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