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
In 2007, McGee traveled to Kansas for his grandfather’s 80th birthday.
—
Jonathan Edwards, Washington Post, 18 Apr. 2024
The April 28 event is in honor of what would have been the 100th birthday of Alfred Bader.
—Amy Schwabe, Journal Sentinel, 18 Apr. 2024
Celebrate the fashion icon's milestone 50th birthday with a look at her life by the numbers
Happy Birthday, Victoria Beckham!
—Kate Hogan, Peoplemag, 17 Apr. 2024
Earlier that month, Watts took to Instagram to celebrate Kai's 15th birthday.
—Kimi Robinson, USA TODAY, 17 Apr. 2024
But Tylee, who was days away from her 17th birthday, stopped making in-person purchases after that stop in Utah and no one saw her after Sept. 8, 2019, at Yellowstone National Park.
—Alex Brizee, Idaho Statesman, 17 Apr. 2024
On Tuesday, Sudden Little Thrills Music Festival — a new two-day fest set for Sept. 7 and 8 at Hazelwood Green — announced its lineup featuring headlining sets from the Killers, SZA, Melanie Martinez, and Wiz Khalifa performing a hometown birthday set.
—Tomás Mier, Rolling Stone, 16 Apr. 2024
That’s why most people won’t bat an eye at a girl having a Harry Styles birthday, or enjoying sports.
—Zara Hanawalt, Parents, 6 Apr. 2024
In October 2020, one of the fan’s friends bought her a Cameo video message from Gatt wishing her a happy birthday.
—Jordan Moreau, Variety, 5 Apr. 2024
Jonathan Edwards, Washington Post, 18 Apr. 2024
The April 28 event is in honor of what would have been the 100th birthday of Alfred Bader.
—Amy Schwabe, Journal Sentinel, 18 Apr. 2024
Celebrate the fashion icon's milestone 50th birthday with a look at her life by the numbers
Happy Birthday, Victoria Beckham!
—Kate Hogan, Peoplemag, 17 Apr. 2024
Earlier that month, Watts took to Instagram to celebrate Kai's 15th birthday.
—Kimi Robinson, USA TODAY, 17 Apr. 2024
But Tylee, who was days away from her 17th birthday, stopped making in-person purchases after that stop in Utah and no one saw her after Sept. 8, 2019, at Yellowstone National Park.
—Alex Brizee, Idaho Statesman, 17 Apr. 2024
On Tuesday, Sudden Little Thrills Music Festival — a new two-day fest set for Sept. 7 and 8 at Hazelwood Green — announced its lineup featuring headlining sets from the Killers, SZA, Melanie Martinez, and Wiz Khalifa performing a hometown birthday set.
—Tomás Mier, Rolling Stone, 16 Apr. 2024
That’s why most people won’t bat an eye at a girl having a Harry Styles birthday, or enjoying sports.
—Zara Hanawalt, Parents, 6 Apr. 2024
In October 2020, one of the fan’s friends bought her a Cameo video message from Gatt wishing her a happy birthday.
—Jordan Moreau, Variety, 5 Apr. 2024
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 24 Apr. 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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