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

Primark's Winnie the Pooh 100th Anniversary collection includes newborn body suits, plus sweaters, pajamas, caps and socks, as well as backpacks and luggage. —Mike Snider, USA Today, 10 Mar. 2026

While newborn screening identifies rare disease conditions in approximately 14,000 babies annually, the new research highlights how differences in state screening panels mean not all babies have the same opportunity for early detection. —Cindy Krischer Goodman, Sun Sentinel, 10 Mar. 2026

Noun

Staly went on to say that under Florida's Safe Haven Law, parents who cannot care for a newborn can bring the child at birth to a local fire station, hospital or law enforcement agency to surrender it. —Steven Yablonski, CBS News, 10 Mar. 2026

And the adjustment to your new body and to your life now revolving around your newborn’s needs 24/7 can be challenging. —Kristen Rogers, CNN Money, 9 Mar. 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