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
Eugene RobinsonOf course, the registered horse has a recorded birth date, but many horses are not so fortunate.—R. B. Warren
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
Timothy MasonExamples of birth date in a Sentence
Recent Examples on the Web
Social Security benefits are issued throughout the month depending on the recipient's birth date.
—Maia Pandey, jsonline.com, 24 Oct. 2025
Set up your account by providing basic identifying information, like your name, birth date, mailing address, etc.
—Tyler Everett, MSNBC Newsweek, 16 Oct. 2025
The changes apply only to teen-specific accounts, which are accounts that teens have created using their truthful birth dates or accounts that Instagram has determined through its own investigation are likely to be those of people under 18 years old.
—David Ingram, NBC news, 14 Oct. 2025
With access to face photos, birth dates, addresses, and other information belonging to potentially millions of people, hackers stand to benefit the most from the move to require photo IDs as a condition for using a site.
—ArsTechnica, 9 Oct. 2025
See All Example Sentences for birth date
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Maia Pandey, jsonline.com, 24 Oct. 2025
Set up your account by providing basic identifying information, like your name, birth date, mailing address, etc.
—Tyler Everett, MSNBC Newsweek, 16 Oct. 2025
The changes apply only to teen-specific accounts, which are accounts that teens have created using their truthful birth dates or accounts that Instagram has determined through its own investigation are likely to be those of people under 18 years old.
—David Ingram, NBC news, 14 Oct. 2025
With access to face photos, birth dates, addresses, and other information belonging to potentially millions of people, hackers stand to benefit the most from the move to require photo IDs as a condition for using a site.
—ArsTechnica, 9 Oct. 2025
See All Example Sentences for birth date
Cite this Entry
“Birth date.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/birth%20date. Accessed 31 Oct. 2025.
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