あたまわる 頭悪い Show inflections LinksSentence search for 頭悪いSentence search for あたまわるいKanji details for 頭 and 悪Edit in JMdict I-adjective (keiyoushi)1. slow; dimColloquial, See also 頭が悪い, Antonym: 頭いい Discussions Log in to talk about this word.