Languor refers to a feeling of physical weakness or slow weariness that drains energy and vitality. Though mild compared with acute illness, it has long appeared in literary descriptions of mood and atmosphere. Poets frequently use languor to evoke a dreamy state in which movement and thought slow down. The word may suggest summer heat, emotional sadness, or romantic melancholy, creating a soft mood of quiet fatigue rather than dramatic suffering.

Languor refers to weakness or gentle fatigue. In poetry the word often conveys dreamy calm rather than severe illness. Romantic writers used languor to describe peaceful idleness, warm summer afternoons, or the slow relaxation of the body. The term may also suggest emotional melancholy or romantic longing. Its soft sound and associations with rest make it common in lyrical descriptions.