Vocabulary What does 舌戦 (ぜっせん, zessen) mean? 舌戦 (ぜっせん, zessen) means war of words. Quick factsReadingぜっせんRomajizessenPart of speechnoun 舌戦ぜっせんzessenwar of words1noun war of wordsKanji in this word舌tongue戦war; fight, battle