Birthday
Noun
UK
/ˈbɜːθ.deɪ/
US
/ˈbɝːθ.deɪ/
Definition
The yearly celebration of the day someone was born.
Example
"Her birthday is next week."
"They gave her a surprise on her 18th birthday."
"They had balloons, cake, and music at his birthday party."
Explanation
A birthday is the anniversary of the day someone was born. People usually celebrate it every year with parties, gifts, and cake. It is a special day to remember when someone came into the world. Some people also celebrate the birthdays of famous people or special things, like a country.