あたまわる 頭が悪い Show inflections LinksSentence search for 頭が悪いSentence search for あたまがわるいSentence search for 頭がわるいKanji details for 頭 and 悪Edit in JMdict Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)1. slow; weak-headed; dumbSee also 頭の悪い, Antonym: 頭が良いOther forms頭がわるい 【あたまがわるい】 Discussions Log in to talk about this word.