birth date

noun

variants or less commonly birthdate
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
It was dated March 27 – matching the birth date on the picture of the driver’s license that the woman had sent the guardians, according to the police report. Andi Babineau, CNN Money, 21 May 2025 Thieves may have gained access to personal information, potentially including contact details and birth dates, but there was no evidence that the data had been shared more broadly. Eshe Nelson, New York Times, 21 May 2025 The singer confirmed his name and birth date and said his address was the local Lowry Hotel, where he was arrested. Megan Cartwright shane Croucher, MSNBC Newsweek, 16 May 2025 As the New York Post reported, DOGE claimed an initial review found that since 2020, 9,700 people whose birth dates aren’t for another 15 years have claimed $69 million in benefits, which are administered by state governments. Boston Herald Editorial Staff, Boston Herald, 11 Apr. 2025 See All Example Sentences for birth date

Word History

First Known Use

1831, in the meaning defined above

Time Traveler
The first known use of birth date was in 1831

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Cite this Entry

“Birth date.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/birth%20date. Accessed 29 May. 2025.

Last Updated: - Updated example sentences
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