CLEANLY Meaning of CLEANLY in English ■ adverb 'kli:nli in a clean manner. ■ adjective 'klɛnli ( cleanlier , cleanliest ) archaic habitually clean.Derivativescleanliness 'klɛnlɪnɪs noun Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004