uncleanly /ʌnˈklɛnli/adjective 2/ʌnˈkliːnli/ adverb 1forms 4 adjective2 •Dirty, unhygienic, not clean. •Not pure in a moral or religious sense. uncleanly /ʌnˈkliːnli/ adverb1 •not in a clean way; in an unclean way formsmore uncleanly · uncleanlier · most uncleanly · uncleanliest