だいはんたい 大反対 LinksSentence search for 大反対Sentence search for だいはんたいKanji details for 大, 反 and 対Edit in JMdict Noun1. strong oppositionわたし私はそのけいかく計画にだいはんたい大反対だ。I am quite opposed to the plan. Discussions Log in to talk about this word.