somnolent

Somnolent is a related term of debilitated.

As adjectives the difference between somnolent and debilitated

is that somnolent is drowsy or sleepy while debilitated is weakened.

As a verb debilitated is

(debilitate).

As adjectives the difference between somnolent and enervated

is that somnolent is drowsy or sleepy while enervated is weakened, debilitated or deprived of strength or vitality.

As a verb enervated is

past tense of enervate.

Indolent is a related term of somnolent.

As adjectives the difference between indolent and somnolent

is that indolent is habitually]] lazy, [[procrastinate|procrastinating, or resistant to physical labor/labour while somnolent is drowsy or sleepy.

As adjectives the difference between somnolent and hygroscopic

is that somnolent is drowsy or sleepy while hygroscopic is (physics|chemistry) readily taking up and retaining water, especially from the atmosphere.

Quiescent is a related term of somnolent.

As adjectives the difference between quiescent and somnolent

is that quiescent is inactive, at rest, quiet while somnolent is drowsy or sleepy.

As adjectives the difference between obtunded and somnolent

is that obtunded is describing someone who is far from alert or oriented to time and space, and exhibits other signs being confused, a state just short of frank delirium while somnolent is drowsy or sleepy.

As a verb obtunded

is past tense of obtund.

As an adjective somnolent

is drowsy or sleepy.

As an adverb somnolently is

in a somnolent way; sleepily.