birthday Definition in the Cambridge English Dictionary
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Definition of “birthday” - English Dictionary

Definition of "birthday" - American English Dictionary

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birthdaynoun [C]

 us   /ˈbɜrθˌdeɪ/
the ​day that is an ​exactyear or ​number of ​years after a ​person was ​born: Today is my mother’s 49th birthday.
(Definition of birthday from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "birthday" - British English Dictionary

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birthdaynoun [C]

uk   /ˈbɜːθ.deɪ/  us   /ˈbɝːθ-/
A1 the ​day that is ​exactly a ​year or ​number of ​years after a ​person was ​born: Happy birthday, Flavio! Are you going to Ellen's birthday party next ​week? It's her 21st birthday.
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(Definition of birthday from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “birthday”
in Arabic عيد ميْلاد…
in Korean 생일…
in Portuguese aniversário…
in Catalan aniversari…
in Japanese 誕生日…
in Chinese (Simplified) 生日…
in Turkish doğum günü…
in Russian день рождения…
in Chinese (Traditional) 生日…
in Italian compleanno…
in Polish urodziny…
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