Definition of birthday
1a : the day of a person's birthb : a day of origin
2 : an anniversary of a birth her 21st birthday
Examples of birthday in a Sentence
Her birthday is September 30th.
Today is his 21st birthday.
The company just celebrated its 50th birthday.
Recent Examples of birthday from the Web
Now, reports Rebecca Rego Barry for Fine Books and Collections, some of those objects are on the road in honor of the poet-philosopher’s 200th birthday.
Morgan Stanley is about to augment its 16,000 financial advisers with machine-learning algorithms that suggest trades, take over routine tasks and send reminders when your birthday is near.
Happy 4th birthday to Penelope Battersby, from her parents, Fenia and Joe.
The John F. Kennedy Presidential Library and Museum in Boston will hold a birthday celebration that includes a flyover from the U.S. Navy and a cake that was made by the family of the baker who made the engagement cake for then-Sen.
Jennifer Macias, 30, said her husband’s boss came unexpectedly one morning this month to tell her Wilber Munoz had been shot and killed in the mining town of Segovia, weeks after celebrating his 35th birthday.
Schwarzman, whose most recent birthday party featured trapeze artists, live camels, and Gwen Stefani, was in Riyadh last week for a whirlwind of dealmaking known as the U.S.-Saudi CEO Forum.
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Justin Schultz added the other goal in his return from an upper-body injury, and Matt Murray stopped 28 shots on his 23rd birthday.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'birthday'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of birthday
BIRTHDAY Defined for English Language Learners
Definition of birthday for English Language Learners
: the day when someone was born or the anniversary of that day
: the day when something began
BIRTHDAY Defined for Kids
Definition of birthday for Students
1 : the day or anniversary of someone's birth
2 : a day of beginning Our town just celebrated its 150th birthday.
Seen and Heard
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