"languor" in the noun sense
1. languor, dreaminess
a relaxed comfortable feeling
oppressively still air
"the afternoon was hot, quiet, and heavy with languor"
"Summer shows all the languor of a hot, breezeless day as the dancer lazily brushes her hand over her brow"
3. languor, lassitude, listlessness
a feeling of lack of interest or energy
4. languor, lethargy, sluggishness, phlegm, flatness
inactivity showing an unusual lack of energy
"the general appearance of sluggishness alarmed his friends"
Source: WordNet® (An amazing lexical database of English)
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