Lacking enthusiasm, energy, or strength; drooping or flagging from weakness, fatigue, or lack of energy; indisposed to exertion; sluggish; relaxed: as, languid movements; languid breathing
If you describe someone as languid, you mean that they show little energy or interest and are very slow and casual in their movements. To his delight a familiar, tall, languid figure lowered itself down the steps of a club. + languidly lan·guid·ly We sat about languidly after dinner