こうかばつぐん 効果抜群 LinksSentence search for 効果抜群Sentence search for こうかばつぐんKanji details for 効, 果, 抜 and 群Edit in JMdict Noun, Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no'1. exceptionally effective; overwhelming effectiveness Discussions Log in to talk about this word.