twen ‧ ty ‧ some ‧ thing /ˈtwentiˌsʌmθɪŋ/ BrE AmE noun [countable] informal
someone who is between the ages of 20 and 29 ⇨ thirtysomething :
A crowd of twentysomethings were gathered outside the club.
—twentysomething adjective
twen ‧ ty ‧ some ‧ thing /ˈtwentiˌsʌmθɪŋ/ BrE AmE noun [countable] informal
someone who is between the ages of 20 and 29 ⇨ thirtysomething :
A crowd of twentysomethings were gathered outside the club.
—twentysomething adjective
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012