Synonyms of premature

premature

adjective

ˌprē-mə-ˈchu̇r 

as in early

occurring before the usual or expected time

his premature arrival at his own surprise party almost ruined everything

Synonyms & Similar Words

• early
• untimely
• unexpected
• sudden
• precocious
• inopportune
• unseasonable
• unforeseen
• unanticipated
• abrupt
• unlooked-for

Antonyms & Near Antonyms

• late
• slow
• belated
• overdue
• delinquent
• tardy
• anticipated
• expected
• delayed
• postponed
• behindhand
• latish
• detained

Example Sentences

Recent Examples of premature

Personnel issues, sensitive negotiations, and early-stage strategic conversations can all be damaged by premature disclosure. — Bythad L. Bench, Forbes.com, 12 Aug. 2026

The exact reason for the link isn’t known, but some factors that lead to premature aging of the skin may also contribute to aging of the arteries. — Scott Lafee, San Diego Union-Tribune, 11 Aug. 2026

The appeals court ultimately did not rule on whether Section 230 bars those claims, but concluded that the appeal was premature because the trial court’s ruling was not final. — Miranda Jeyaretnam, Time, 11 Aug. 2026

Ashley and Daniel Nielsen welcomed their sons, Kai and Joey, on July 22 at just 32 weeks after Ashley went into premature labor in Port Macquarie, according to a GoFundMe organized for the family. — Angelique Brenes, PEOPLE, 11 Aug. 2026