birthday
noun
birth·day
ˈbərth-ˌdā 
1
a
: the day of a person's birth
b
: 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 on the Web
The group recorded an album and will share the stage at Brooklyn Bowl to celebrate Carll's birthday.
—
Melonee Hurt, The Tennessean, 30 Dec. 2024
Carter died two months after his 100th birthday, the first and only former president to become a centenarian.
—Conor Murray, Forbes, 30 Dec. 2024
Garrett notched two sacks Sunday — which was also his 29th birthday — against the Miami Dolphins to reach the milestone.
—Zac Jackson, The Athletic, 29 Dec. 2024
More than 1,000 people recently paid tribute to the former president at a benefit concert ahead of his 100th birthday.
—Mary Cunningham, CBS News, 29 Dec. 2024
See all Example Sentences for birthday 
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Melonee Hurt, The Tennessean, 30 Dec. 2024
Carter died two months after his 100th birthday, the first and only former president to become a centenarian.
—Conor Murray, Forbes, 30 Dec. 2024
Garrett notched two sacks Sunday — which was also his 29th birthday — against the Miami Dolphins to reach the milestone.
—Zac Jackson, The Athletic, 29 Dec. 2024
More than 1,000 people recently paid tribute to the former president at a benefit concert ahead of his 100th birthday.
—Mary Cunningham, CBS News, 29 Dec. 2024
See all Example Sentences for birthday
Dictionary Entries Near birthday
Cite this Entry
“Birthday.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/birthday. Accessed 13 Jan. 2025.
Copy CitationKids Definition
birthday
noun
birth·day
ˈbərth-ˌdā
1
: the day or anniversary of one's birth
2
: the day or anniversary of a beginning
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