Ruff/rʌf/ Definition 1 of 3Pro Tip 1/3Historical Fashion The ruff is from an era when fashion included elaborate clothing, not seen today. In historical plays, actors often wear a ruff to show the period. Pro Tip 2/3Not Modern Remember, 'ruff' in this sense is archaic and not used in contemporary fashion. Museums might display gowns with a ruff to illustrate past attire. Pro Tip 3/3Costume Piece Ruffs are mainly seen today in costumes, especially during historical reenactments. She crafted an authentic ruff for her Shakespearean costume.