premature

adjective

pre·​ma·​ture ˌprē-mə-ˈchu̇r 

-ˈchər,

 also  -ˈtu̇r,

-ˈtyu̇r 

 also  ˌpre-

: happening, arriving, existing, or performed before the proper, usual, or intended time

especially : born after a gestation period of less than 37 weeks

premature babies

premature noun

prematurely adverb

prematureness noun

prematurity

ˌprē-mə-ˈchu̇r-ə-tē 

-ˈchər

-ˈtu̇r-

-ˈtyu̇r- 

noun

Synonyms

• early
• inopportune
• precocious
• unseasonable
• untimely

Examples of premature in a Sentence

Her premature death at age 30 stunned her family and friends.

Too much exposure to the sun can cause the premature aging of skin.

Recent Examples on the Web

This finding could have possible implications for the treatment of premature ovarian insufficiency (POI) and fertility preservation.18 However, more research needs to be done in humans to make any definitive conclusions. —Aviv Joshua, Verywell Health, 10 Oct. 2024

Pregnant people with listeria could experience pregnancy loss, a premature birth, or passing a life-threatening infection to their newborn. —Fernando Cervantes Jr., USA TODAY, 10 Oct. 2024

Additionally, the medical association recommends that premature babies or infants with respiratory problems not be placed in carriers or other upright carrying devices. —Charlotte Phillipp, People.com, 6 Oct. 2024

That’s good news for Club holding Abbott Laboratories , which is currently defending itself in a second trial against claims that its premature infant formula causes NEC. —Kevin Stankiewicz,paulina Likos,matthew J. Belvedere, CNBC, 4 Oct. 2024

Word History

Etymology

Latin praematurus too early, from prae- + maturus ripe, mature

First Known Use

circa 1529, in the meaning defined above

Kids Definition

premature

adjective

pre·​ma·​ture ˌprē-mə-ˈt(y)u̇(ə)r  -ˈchu̇(ə)r 

: happening, coming, existing, or done before the proper or usual time

especially : born after a period of pregnancy of less than 37 weeks

premature babies

prematurely adverb

prematurity

-ˈt(y)u̇r-ət-ē  -ˈchu̇r- 

noun

Medical Definition

premature

1 of 2 adjective

pre·​ma·​ture

-mə-ˈt(y)u̇(ə)r, -ˈchu̇(ə)r, chiefly British ˌprem-ə-

: happening, arriving, existing, or performed before the proper, usual, or intended time

premature puberty

premature aging

especially : born after a gestation period of less than 37 weeks

premature babies

prematurely adverb

premature

2 of 2 noun

: preemie