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
To enforce this law, Utah could have required people to verify their birth dates using government identification—a method that would have excluded from the internet’s public square not only kids but all sorts of adults who happen to lack government I.D.
—Jay Caspian Kang, New Yorker, 23 Dec. 2025
Social Security numbers and birth dates stay the same for life.
—Kurt Knutsson, FOXNews.com, 20 Dec. 2025
The Christmas festivities tell us that Jesus was born on Dec. 25, but theologians and historians aren't actually sure of his birth date.
—Keith Cooper, Space.com, 16 Dec. 2025
State leaders say they are legally obligated to conceal documents with personally identifiable information such as voters’ names, birth dates, addresses and driver’s license numbers or partial Social Security numbers.
—Ashleigh Fields, The Hill, 13 Dec. 2025
See All Example Sentences for birth date
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Jay Caspian Kang, New Yorker, 23 Dec. 2025
Social Security numbers and birth dates stay the same for life.
—Kurt Knutsson, FOXNews.com, 20 Dec. 2025
The Christmas festivities tell us that Jesus was born on Dec. 25, but theologians and historians aren't actually sure of his birth date.
—Keith Cooper, Space.com, 16 Dec. 2025
State leaders say they are legally obligated to conceal documents with personally identifiable information such as voters’ names, birth dates, addresses and driver’s license numbers or partial Social Security numbers.
—Ashleigh Fields, The Hill, 13 Dec. 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 Dec. 2025.
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