languor Definition

languor
noun

1. A feeling of dullness or lack of energy.

Thesaurus: lassitude, drowsiness, inertia, lethargy, torpor, listlessness, indolence, fatigue, heaviness; Antonym: alacrity, gusto.
2. Tender softness or sentiment.
3. A stuffy suffocating atmosphere or stillness.

Derivative: languorous
adj

Etymology: 14c: from Latin languere to grow faint.