daydream 2023.03.13 daydreamとは 意味・定義・例文 Noun 名詞 デイドりーム US /ˈdeɪˌdrim/ UK /ˈdeɪˌdriːm/ 1. a pleasant dreamlike set of thoughts while you are awake 空想 She stared out of the window, lost in a daydream.