thirtysomething

• thirty-something, 30-something

From thirty +‎ -something.

thirtysomething (plural thirtysomethings)

1. A tricenarian: a person in their thirties, a person aged between 30 and 39 years (inclusive).

• tricenarian

thirtysomething (not comparable)

1. Between 30 and 39 years of age.
   • 2025 May 21, Julian Coman, “Maga Catholics are on a collision course with Leo XIV. They have good reason to fear him”, in Katharine Viner, editor, The Guardian‎^[1], London: Guardian News & Media, →ISSN, →OCLC, archived from the original on 21 May 2025:

     In the outer reaches of the Magasphere, it would be fair to say the advent of the first pope from the US has not been greeted with unbridled enthusiasm. Take Laura Loomer, the thirtysomething influencer and conspiracy theorist, whose verdict on Leo XIV was as instant as it was theologically uninformed: “Anti-Trump, anti-Maga, pro-open Borders, and a total Marxist like Pope Francis.”

thirtysomething

1. Between 30 and 39.
   • 1993 January 31, Sidney Zion, “He Died With His Pants Down”, in The New York Times‎^[2], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 30 August 2025:

     At this point, page thirtysomething, I gave up on real people and began concentrating on Mr. Patterson's other people.