adjective
languid
LANG-gwid/ˈlæŋɡwɪd/
Lacking energy or liveliness.
The afternoon heat leaves everyone feeling languid and ready for a nap.

Etymology
Latin languidus described sluggishness from weakness, fatigue, or lack of energy. The modern sense retains that drooping, unhurried quality, including when someone appears relaxed rather than exhausted.
In context
heat makes me languid the hotter it is the more relaxed I become
More examples
- She greets us with a languid wave from the couch.
- Their conversation grows languid as the evening wears on.
- After a sleepless night, he feels too languid to exercise.
Forms
languid · more languid · most languid
languidly adverb — In a slow manner lacking energy.
Similar words
- listless
- Emphasizes a lack of interest as well as energy.
- lethargic
- Suggests more pronounced tiredness, inactivity, or difficulty staying alert.
- sluggish
- Emphasizes unusually slow movement or response rather than relaxed inactivity.