Definition of "twenties"

twenties

noun
1. plural of twenty
noun
plural only
1. The decade of the 1820s, 1920s, 2020s, etc.
2. The decade of one's life from age 20 through age 29.
  Quotations
  At that time Frodo was still in his tweens, as the hobbits called the irresponsible twenties between childhood and coming of age at thirty-three.
  1954 "The Fellowship of the Ring", J.R.R. Tolkien
3. (temperature, rates, plural only) The range between 20 and 29.
adjective
not comparable
1. From or evoking the 21st through 30th years of a century (chiefly the 1920s).
  Quotations
  It tells the life of a Sicilian peasant girl, Teresa, who is brought to a village in Provence just after the First World War; is adopted by two very "twenties" lesbian ladies, one American, one English, who rebuild, maintain, and allow to decay, an old house called the Bishop's Palace.
  1987, George Kearns, “Post-Colonial Fiction: Our Custom Is Different”, in The Hudson Review, volume 40, number 3, page 493
  Old photos show her in typical twenties styles—tight-fitting black dresses with lace, low-slung wide belts, large ornamental pins on her equally large bodice, funny hats with feathers.
  2001, Toni McNaron, I Dwell in Possibility: A Memoir‎, Feminist Press at the City University of New York