- the day of a person's birth or a thing's beginning
- the anniversary of this day
birthday Idioms
in one's birthday suit
Informal naked; nude: a humorous usage
A little girl celebrating her birthday.
Your birthday is defined as the day on which you are born, or the annual anniversary of that day.
If you were born on July 1, then July 1 is an example of your birthday.
YourDictionary definition and usage example. Copyright © 2018 by LoveToKnow Corp
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"Birthday." YourDictionary. LoveToKnow. www.yourdictionary.com/BIRTHDAY.
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Birthday. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/BIRTHDAY
birthday
Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"Birthday." YourDictionary. LoveToKnow. www.yourdictionary.com/BIRTHDAY.
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Birthday. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/BIRTHDAY
birthday
noun
- The day of one's birth.
- The anniversary of one's birth.
THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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MLA Style
"Birthday." YourDictionary. LoveToKnow. www.yourdictionary.com/BIRTHDAY.
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Birthday. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/BIRTHDAY
Noun
(plural birthdays)
- The anniversary of the day on which someone is born. [From 1570s]
- The anniversary of the day on which something is created.
- The date on which someone is born or something is created, more commonly called birthdate or date of birth.
English Wiktionary. Available under CC-BY-SA license.
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MLA Style
"Birthday." YourDictionary. LoveToKnow. www.yourdictionary.com/BIRTHDAY.
APA Style
Birthday. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/BIRTHDAY
Sentence Examples
- She changed the decorating tip and wrote "Happy Birthday Dad!" on the top of the cake.
- It was a nice birthday present.
- That was the best birthday ever.
- He forgot my birthday again.
- The poor kid didn't even have a real birthday, only the arbitrarily chosen date of January 1st.
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WORDS NEAR birthday IN THE DICTIONARY
- birthday
- birth weight
- birthchild
- birthdate