dark

As a proper noun good

is .

As an adjective dark is

having an absolute or (more often) relative lack of light.

As a noun dark is

a complete or (more often) partial absence of light.

Dark is a related term of strong.

As an adjective dark

is having an absolute or (more often) relative lack of light.

As a noun dark

is a complete or (more often) partial absence of light.

As a proper noun strong is

.

Infernal is a related term of dark.

As adjectives the difference between infernal and dark

is that infernal is of or relating to hell, or the world of the dead; hellish while dark is having an absolute or (more often) relative lack of light.

As nouns the difference between infernal and dark

is that infernal is (obsolete) an inhabitant of the infernal regions while dark is a complete or (more often) partial absence of light.

Dark is a related term of disheartened.

As adjectives the difference between dark and disheartened

is that dark is having an absolute or (more often) relative lack of light while disheartened is discouraged, despairing.

As a noun dark

is a complete or (more often) partial absence of light.

As a verb disheartened is

(dishearten).

Mystical is a related term of dark.

As adjectives the difference between mystical and dark

is that mystical is relating to mystics or mysticism while dark is having an absolute or (more often) relative lack of light.

As a noun dark is

a complete or (more often) partial absence of light.

Dark is a related term of unhappy.

As adjectives the difference between dark and unhappy

is that dark is having an absolute or (more often) relative lack of light while unhappy is not happy; sad.

As a noun dark

is a complete or (more often) partial absence of light.

Undercover is a related term of dark.

As adjectives the difference between undercover and dark

is that undercover is performed or happening in secret while dark is having an absolute or (more often) relative lack of light.

As nouns the difference between undercover and dark

is that undercover is a person who works while dark is a complete or (more often) partial absence of light.

Dark is a related term of enigmatical.

As adjectives the difference between dark and enigmatical

is that dark is having an absolute or (more often) relative lack of light while enigmatical is pertaining to an enigma.

As a noun dark

is a complete or (more often) partial absence of light.

Dark is a related term of unfortunate.

As adjectives the difference between dark and unfortunate

is that dark is having an absolute or (more often) relative lack of light while unfortunate is not favored by fortune.

As nouns the difference between dark and unfortunate

is that dark is a complete or (more often) partial absence of light while unfortunate is an unlucky person.

Dark is a related term of melancholy.

As adjectives the difference between dark and melancholy

is that dark is having an absolute or (more often) relative lack of light while melancholy is affected with great sadness or depression.

As nouns the difference between dark and melancholy

is that dark is a complete or (more often) partial absence of light while melancholy is (historical) black bile, formerly thought to be one of the four "cardinal humours" of animal bodies.