languid

Lacking energy or disinclined to exert effort; listless.

Slow-moving or weak in force.

Showing little or no vitality or animation.

Characterized by or conducive to indolence or inactivity.

Drooping or flagging from weakness, fatigue, or lack of energy; indisposed to exertion; sluggish; relaxed: as, languid movements; languid breathing.

Hence, in general

Heavy; dull; dragging; wanting spirit or animation; listless; apathetic.

Synonyms Faint, weary, exhausted.

Supine, spiritless, torpid, slow.