Languid – English Flashcard for Languid with Synonyms Updated: September 7, 2019 by Dr. Mohammad Hossein Hariri AslLanguidLanguid /ˈlæŋ.gwɪd/ (adj)lacking enough energy, sluggish, phlegmatic, idle, lethargic, unhurried, relaxed, lax, leisurely, droopy, slothful:John responded to our call languidly after he had received some anesthetic drug.My father frowns upon languid people, and so do I.