|part of speech:
||lack of mental or physical energy; weariness or listlessness; lethargy.
He'd always been so active and energetic that his recent lassitude made her worry that he might be depressed or physically ill.
- languidness, languor, lethargy, listlessness
- similar words:
- enervation, loginess, sluggishness, stupor, torpor, weariness