思(おも)い出(だ)し笑(わら)い おもいだしわらい noun laughing at a memory; chuckling to oneself emotioncognition 1. laughing at a memory; chuckling to oneself suddenly laughing while remembering something funny, often catching others off guard 電車(でんしゃ)の中(なか)で思(おも)い出(だ)し笑(わら)いしてしまった。🔊 I accidentally started chuckling to myself on the train. 昨日(きのう)のことを思(おも)い出(だ)し笑(わら)いしてしまう。🔊 I can't help but laugh when I remember what happened yesterday. 会議中(かいぎちゅう)に思(おも)い出(だ)し笑(わら)いして気(き)まずかった。🔊 It was awkward when I started laughing at a memory during the meeting. Etymology思(おも)い出(だ)す (to remember) + 笑(わら)い (laughter)UsageLaughing suddenly in public for no visible reason looks odd to others, so the word is usually slightly sheepish and often comes with ~してしまう (to do accidentally).Common patterns思(おも)い出(だ)し笑(わら)いする - to laugh at a memory思(おも)い出(だ)し笑(わら)いしてしまう - to accidentally laugh at a memory一人(ひとり)で思(おも)い出(だ)し笑(わら)い - laughing alone at a memory general Added 2026.1.27 12:47 · Revised 2026.9.26 15:20 08000/08462_omoidashiwarai