Drooping or flagging from weakness, fatigue, or lack of energy; indisposed to exertion; sluggish; relaxed: as, languid movements; languid breathing.Hence, in generalHeavy; dull; dragging; wanting spirit or animation; listless; apathetic.Synonyms Faint, weary, exhausted.Supine, spiritless, torpid, slow.n. Same as languet .n. In organ-building, same as language.