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>
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