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.
This one is going on California’s fridge Some measure the year by calendar, by birth dates or by tax returns. Ryan Fonseca, Los Angeles Times, 4 Apr. 2025 In an emotional Instagram post featuring a photo of the newborn’s tiny feet, Michele shared how the birth date held a bittersweet meaning. Nasha Smith, People.com, 3 Apr. 2025 When Are April 2025 Benefits Paid? Retirement checks are distributed throughout the month, based on the recipient's birth date and the duration of their benefit payments. Thomas G. Moukawsher, Newsweek, 22 Mar. 2025 What To Know Retirement checks are distributed throughout the month, based on the recipient's birth date and the duration of their benefit payments. Aliss Higham, MSNBC Newsweek, 7 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 22 Apr. 2025.

Last Updated: - Updated example sentences
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