ぼうべん 妄弁 LinksSentence search for 妄弁Sentence search for ぼうべんSentence search for 妄辯Kanji details for 妄 and 弁Edit in JMdict Noun1. incoherent talkArchaicOther forms妄辯 【ぼうべん】Notes妄辯: Out-dated kanji or kanji usage. Discussions Log in to talk about this word.