Oxford Dictionary English leisure suit nounnoun BrE BrE//ˈleʒə suːt// , BrE//ˈleʒə sjuːt// ; NAmE NAmE//ˈliːʒər suːt// (North American English) Add to my wordlistjump to other results an informal suit consisting of a shirt and trousers/pants made of the same cloth, popular in the 1970sSee leisure suit in the Oxford Advanced American DictionaryCheck pronunciation: leisure suit oxfordlearnersdictionaries.com