birth date

noun

variants or less commonly birthdate

ˈbərth-ˌdāt 

plural birth dates also birthdates

: the calendar date on which someone or something was born : date of birth

There's even some question about his birth date—one source says 1854, another says 1856.

—Eugene Robinson

Of course, the registered horse has a recorded birth date, but many horses are not so fortunate.

—R. B. Warren

(figurative) Modern British drama does, however, have a precise and undisputed birthdate: May 8, 1956. It is opening night at the fledgling Royal Court …

—Timothy Mason

Examples of birth date in a Sentence

Recent Examples on the Web

Humphrey Bogart Iconic actor Humphrey Bogart was born in New York City on Christmas Day, 1899, though his exact birth date was long debated. —Aaron Rasmussen, Newsweek, 25 Dec. 2024

According to the criminal complaint, Mangione initially handed Altoona police officers a fake driver’s license bearing the name Mark Rosario with a birth date of July 21, 1998. —Richard Winton, Los Angeles Times, 9 Dec. 2024

Businesses must report information about their beneficial owners, including name, birth date, address and information from an ID such as a driver’s license or passport, in addition to other data. Companies that existed prior to 2024 must report by Jan. 1, 2025. —Greg Iacurci, CNBC, 9 Dec. 2024

Getting Started With TaxAct TaxAct first wants personal information such as your birth date, filing status, and Social Security number. —PCMAG, 27 Nov. 2024

Word History

First Known Use

1831, in the meaning defined above