twenty-first
🇺🇸
/ˌtwenti ˈfɜːrst/
🇬🇧
/ˌtwenti ˈfɜːst/
noun
R
The celebration or event that marks someone's 21st birthday.
On her twenty-first, she received a trip to Paris as a gift.
translation
The celebration or event that marks someone's 21st birthday.
Word Forms
Plural
twenty-firsts