birth date

American  

[burth-dayt] / ˈbɜrθˌdeɪt /

Or birthdate

noun

1. the date of a person’s birth, usually expressed as a specific day, month, and year.

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Etymology

Origin of birth date

First recorded in 1550–1600

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Example Sentences

See Examples For:

birth date

Professor Anderson added: "Until that evidence becomes available, the precise birth date of the animal kingdom remains uncertain."

From Science Daily ● Oct. 7, 2026

If the account is associated with a birth date that puts the user’s age at 13 to 17, the experience will shift without any action.

From The Wall Street Journal ● Aug. 18, 2026

Your payment date depends on your birth date, so your first payment will generally arrive the month after your first month of entitlement, regardless of whether your birthday is on, say, Oct.

From MarketWatch ● Jul. 28, 2026

She immediately rang her mum, Susan, to check her long-lost brother's birth date.

From BBC ● Jul. 23, 2026

Bill Gates: October 28, 1955 That’s the perfect birth date!

From "Outliers" by Malcolm Gladwell

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