ぐん 群をなす Show inflections LinksSentence search for 群をなすSentence search for ぐんをなすSentence search for 群を成すKanji details for 群Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'su' ending1. to swarm; to crowd; to flock togetherSee also 群がるOther forms群を成す 【ぐんをなす】 Discussions Log in to talk about this word.