こんじょうわる 根性悪 LinksSentence search for 根性悪Sentence search for こんじょうわるKanji details for 根, 性 and 悪Edit in JMdict Noun, Na-adjective (keiyodoshi)1. ill-natured; twistedNoun2. ill-natured person; twisted person Discussions Log in to talk about this word.