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
Ryan Reynolds is celebrating Hugh Jackman's birthday with a Deadpool & Wolverine–themed tribute.
—
Wesley Stenzel, EW.com, 12 Oct. 2024
As Jackman turned 56 on Saturday, Oct. 12, his longtime friend and Deadpool & Wolverine costar wished him a happy birthday with a sweet tribute — and foreshadowed years of tomfoolery to come.
—Bailey Richards, People.com, 12 Oct. 2024
Robeson got a star, which was dedicated on April 9, 1979, his birthday.
—Thomas Doherty, The Hollywood Reporter, 12 Oct. 2024
And neither did Carew Tower, even with the building's 100th birthday coming up in 2031.
—David Wysong, The Enquirer, 11 Oct. 2024
See all Example Sentences for birthday 
Wesley Stenzel, EW.com, 12 Oct. 2024
As Jackman turned 56 on Saturday, Oct. 12, his longtime friend and Deadpool & Wolverine costar wished him a happy birthday with a sweet tribute — and foreshadowed years of tomfoolery to come.
—Bailey Richards, People.com, 12 Oct. 2024
Robeson got a star, which was dedicated on April 9, 1979, his birthday.
—Thomas Doherty, The Hollywood Reporter, 12 Oct. 2024
And neither did Carew Tower, even with the building's 100th birthday coming up in 2031.
—David Wysong, The Enquirer, 11 Oct. 2024
See all Example Sentences for birthday
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'birthday.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near birthday
Cite this Entry
“Birthday.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/birthday. Accessed 21 Oct. 2024.
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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