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

The hospital is home to one of the nation’s leading thalassemia programs, a lab supporting newborn screening and diagnostic follow-up, and a long-standing sickle cell program that has helped pioneer patient care and research for decades. —Panashe Matemba-Mutasa, Mercury News, 2 June 2026

Escoto is charged with three counts of first-degree murder in the deaths of 23-year-old Fabiola Gonzalez-Nunez, her newborn son Mateo Gonzalez and 54-year-old Sylvia Nunez-Villalobos. —Stepheny Price, FOXNews.com, 2 June 2026

Noun

But this substance that's uniquely tailored for newborns is also receiving plenty of attention from adults who've taken to chugging bovine colostrum. —Ari Daniel, NPR, 1 June 2026

The newborn was in critical condition Saturday, SDPD said. —Hannah Elsmore, San Diego Union-Tribune, 30 May 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