もんどうむえき 問答無益 LinksSentence search for 問答無益Sentence search for もんどうむえきKanji details for 問, 答, 無 and 益Edit in JMdict Noun1. there being no use in arguing (about it); not up for discussionYojijukugo (four character compound), Rare term, See also 問答無用 Discussions Log in to talk about this word.