弘こう弁べんMeanings1nounbig debate; great argumentrare termRare term for a large-scale or heated debate. Not commonly used in modern Japanese; 大論争 or 大議論 are more usual.「弘こう弁べん」は、古ふるい文ぶん献けんで大だい論ろん争そうを指さす言こと葉ばとして見みられることがある。The word 弘弁 is sometimes seen in old texts as a term for a big debate.