水掛け論 みずかけろん Also written 水かけ論, 水掛論 Meanings Noun endless argument; pointless argument; fruitless dispute; futile discussion (literally: argument over whose field to water (during a drought)) Kanji 水 water. Read as みず. 掛 hang. Read as かけ. 論 argument. Read as ロン. Example sentences 水掛け論はやめよう。Let's stop this fruitless argument. Jinuma: Japanese Dictionary · Word lists