Open English Wordnet
Adjectives
(s)dreamy, lackadaisical, languid, languorouslacking spirit or liveliness“a lackadaisical attempt”, “a languid mood”, “a languid wave of the hand”, “a hot languorous afternoon”
(s)lackadaisicalidle or indolent especially in a dreamy way“she was annoyingly lackadaisical and impractical”, “a...lackadaisical, spiritless young man-about-town” (P.G.Wodehouse)