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
My father-in-law is having a birthday celebration soon, and my daughter wants to bring it up but doesn't know how to do it.
—
Andee Tagle, NPR, 12 Dec. 2024
The exhibition’s opening weekend coincided with what would have been the British statesman’s birthday on November 30.
—Ella Feldman, Smithsonian Magazine, 12 Dec. 2024
Ahead of that birthday, the album is beginning a comeback on the charts in the United Kingdom, where Pink Floyd are still regarded as rock gods to this day.
—Hugh McIntyre, Forbes, 12 Dec. 2024
The actor frequently posts pictures of her on her Instagram, including of her birthday party.
—Lissete Lanuza Sáenz, StyleCaster, 11 Dec. 2024
See all Example Sentences for birthday 
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Andee Tagle, NPR, 12 Dec. 2024
The exhibition’s opening weekend coincided with what would have been the British statesman’s birthday on November 30.
—Ella Feldman, Smithsonian Magazine, 12 Dec. 2024
Ahead of that birthday, the album is beginning a comeback on the charts in the United Kingdom, where Pink Floyd are still regarded as rock gods to this day.
—Hugh McIntyre, Forbes, 12 Dec. 2024
The actor frequently posts pictures of her on her Instagram, including of her birthday party.
—Lissete Lanuza Sáenz, StyleCaster, 11 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 21 Dec. 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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