Flatness
Part of speech: noun
Definition: the state of being flat the state of being two-dimensional; planar the state of being bland
Languor
Part of speech: noun
Definition: a state of the body or mind caused by exhaustion or disease and characterized by a languid feeling: lassitudelistless indolence; dreaminessdullness, sluggishness; lack of vigor; stagnationAn enfeebling disease; suffering