Definition of twentysomething
: having an age of 20 to 29 years old a twentysomething professional … delves into the nightlives of twentysomething Easterners trying to survive as out-of-work actors in Los Angeles. — Joe Fox; also : of or relating to people in their twenties … many of the new songs evoke typical twentysomething drama. — Rolling Stone
twentysomething
nounFrom the M-W Editors
1990
First Known Use of twentysomething
1990
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