unbeautifulPronunciation: /ʌnˈbjuːtɪfʊl, -f(ə)l/Definition of unbeautiful adjective without beauty: a very unbeautiful, sour face it is difficult for viewers to understand a work that seems disturbing or unbeautiful or messyDerivatives unbeautifully adverb unbeautiful in other Oxford dictionaries Definition of unbeautiful in the US English dictionary
