somnolent

As adjectives the difference between somnolent and weary

is that somnolent is drowsy or sleepy while weary is having the strength exhausted by toil or exertion; tired; fatigued.

As a verb weary is

to make or to become weary.

Dull is a related term of somnolent.

As adjectives the difference between dull and somnolent

is that dull is lacking the ability to cut easily; not sharp while somnolent is drowsy or sleepy.

As a verb dull

is to render dull; to remove or blunt an edge or something that was sharp.

Somnolent is a related term of comatose.

As adjectives the difference between somnolent and comatose

is that somnolent is drowsy or sleepy while comatose is resembling a coma: unconscious.

As adjectives the difference between somnolent and phlegmatic

is that somnolent is drowsy or sleepy while phlegmatic is not easily excited to action or passion; calm; sluggish.

As a noun phlegmatic is

one who has a phlegmatic disposition.

As adjectives the difference between somnolent and soporiferous

is that somnolent is drowsy or sleepy while soporiferous is (archaic) soporific, sleep-inducing.

As adjectives the difference between somnolent and dormitive

is that somnolent is drowsy or sleepy while dormitive is causing sleep.

As a noun dormitive is

a medicine to promote sleep; a soporific or opiate.

As adjectives the difference between somnolent and undefined

is that somnolent is drowsy or sleepy while undefined is lacking a definition or value.

Somnolent is a related term of torpid.

As adjectives the difference between somnolent and torpid

is that somnolent is drowsy or sleepy while torpid is unmoving, dormant or hibernating.

As adjectives the difference between somnolent and banausic

is that somnolent is drowsy or sleepy while banausic is mechanical; materialistic, uncultured.

Somnolent is a related term of stupid.

As adjectives the difference between somnolent and stupid

is that somnolent is drowsy or sleepy while stupid is lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.

As an adverb stupid is

(slang|dated) extremely.

As a noun stupid is

a stupid person; a fool.