English dictionaryunmannerly adjective Copy definition Share Print / Save as PDFPronunciation /ʌnˈmænəli/ /ˌən-/Audio pronunciation ▶ Recording 1 Parts of speech adjective adverbDefinitionsadjectiveNot mannerly.adverbIn a way that is not mannerly; discourteously, rudely.Synonyms discourteous impolite rude uncivil impolitely uncivillyAntonyms mannerly