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

Now, the couple is getting used to life with a newborn again, something Lloyd describes in a way many new parents will relate to. — Anna Halkidis, Parents, 29 Sep. 2026

Instead the newborn cosmos was filled with even smaller and more fundamental building blocks, quarks and gluons, which formed a smoothly flowing soup called quark-gluon plasma. — Clara Moskowitz, Scientific American, 28 Sep. 2026

Noun

But many also can’t afford the childcare rates for newborns, which tend to be particularly high. — Megan Kuykendoll, The Conversation, 28 Sep. 2026

In Riverside County, newborns can be surrendered at most hospitals and fire stations. — Iris Kwok, Los Angeles Times, 26 Sep. 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