The AI-powered English dictionary
plural twentysomethings
(informal) A person whose age is between twenty and twenty-nine years, inclusive; someone in their twenties. quotations examples
This is the twentysomething generation, those 48 million young Americans ages 18 through 29 who fall between the famous baby boomers and the boomlet of children the baby boomers are producing.
1990 July 16, David M. Gross, Sophfronia Scott, “Proceeding With Caution”, in Time
Between twenty and thirty. examples