ろんせん 論戦 Common word Show 1 collocation 論戦を張る - to take a firm stand LinksSentence search for 論戦Sentence search for ろんせんKanji details for 論 and 戦Edit in JMdict Noun, Suru verb, Intransitive verb1. battle of words; debate; argument; dispute Discussions Log in to talk about this word.