一笑に付す いっしょうにふす Meanings Expression, Godan verb to laugh (something) off; to dismiss with a laugh; to pooh-pooh Kanji 一 one. Read as イチ. 笑 laugh. Read as ショウ. 付 attach Words containing 一笑に付す 一笑に付する (いっしょうにふする) to laugh (something) off Jinuma: Japanese Dictionary · Word lists