live·long f5 [livelonglivelongs] BrE [ˈlɪvlɒŋ] NAmE [ˈlɪvlɔːŋ] NAmE [ˈlɪvlɑːŋ] adjective Idiom: ↑livelong day
Word Origin: late Middle English leve longe ‘dear long’ (see ↑lief and the adjective ↑long). The change in spelling of the first word was due to association with ↑live1.