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
Former Miami High and University of Miami basketball player Dwayne Collins died on Wednesday, three days after his 37th birthday.
—
Michelle Kaufman, Miami Herald, 18 Apr. 2025
Thompson, who recently celebrated his 26th birthday after nearly dying a year ago, also shared photos of himself and Penister.
—Pete Grathoff, Kansas City Star, 17 Apr. 2025
These pans are great for one-time baking projects like that Cinderella cake for your daughter's birthday party.
—Brandee Gruener, Southern Living, 17 Apr. 2025
On Wednesday, April 16, Lawrence celebrates his 60th birthday, and his Bad Boys costar Smith, 56, shared a photo of the two to Instagram showing Lawrence wearing tan robes and a large fake beard.
—Tommy McArdle, People.com, 16 Apr. 2025
See All Example Sentences for birthday
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Michelle Kaufman, Miami Herald, 18 Apr. 2025
Thompson, who recently celebrated his 26th birthday after nearly dying a year ago, also shared photos of himself and Penister.
—Pete Grathoff, Kansas City Star, 17 Apr. 2025
These pans are great for one-time baking projects like that Cinderella cake for your daughter's birthday party.
—Brandee Gruener, Southern Living, 17 Apr. 2025
On Wednesday, April 16, Lawrence celebrates his 60th birthday, and his Bad Boys costar Smith, 56, shared a photo of the two to Instagram showing Lawrence wearing tan robes and a large fake beard.
—Tommy McArdle, People.com, 16 Apr. 2025
See All Example Sentences for birthday
Cite this Entry
“Birthday.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/birthday. Accessed 23 Apr. 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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