Oxford Dictionary English windless adjectiveadjective BrE BrE//ˈwɪndləs// ; NAmE NAmE//ˈwɪndləs// (formal) Wind Add to my wordlistjump to other resultswithout wind a windless day opposite windy See related entries: WindSee windless in the Oxford Advanced American DictionaryCheck pronunciation: windless oxfordlearnersdictionaries.com