birthday

UK /ˈbɜːθ.deɪ/ US /ˈbɜːθ.deɪ/
noun 4verb 1

Definitions

noun

1

The anniversary of the day on which someone is born.

When's your birthday? Mine's on April 1.

I'll be thirty-seven (years old) next birthday.

2

The anniversary of the day on which something is created.

3

The date on which someone is born or something is created, more commonly called birthdate or date of birth.

4

A birthday party.

I'd like to invite you all to my birthday.

verb

1

To celebrate one's birthday.

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