gloomy

As adjectives the difference between downhearted and gloomy

is that downhearted is sad while gloomy is imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded.

As adjectives the difference between polite and gloomy

is that polite is well-mannered, civilized while gloomy is imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded.

As a verb polite

is (obsolete|transitive) to polish; to refine; to render polite.

As adjectives the difference between gloomy and humble

is that gloomy is imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded while humble is near the ground; not high or lofty; not pretentious or magnificent; unpretending; unassuming; as, a humble cottage.

As a verb humble is

to bring low; to reduce the power, independence, or exaltation of; to lower; to abase; to humiliate.

As adjectives the difference between shiny and gloomy

is that shiny is reflecting light while gloomy is imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded.

As a noun shiny

is anything shiny; a trinket.

As an adjective gloomy

is imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded.

As a noun shelf is

a flat, rigid, rectangular structure, fixed at right angles to a wall, and used to support, store or display objects.

As an adjective gloomy

is imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded.

As a noun agony is

violent contest or striving.

As an adjective gloomy

is imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded.

As a verb despair is

to give up as beyond hope or expectation; to despair of.

As a noun despair is

loss of hope; utter hopelessness; complete despondency.

As a noun muffle

is anything that mutes or deadens sound.

As a verb muffle

is to wrap (a person, face etc) in fabric or another covering, for warmth or protection; often with up .

As an adjective gloomy is

imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded.

As an adjective gloomy

is imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded.

As a proper noun doom is

(video games|trademark) a popular first-person shooter video game, often regarded as the father of the genre.

As adjectives the difference between obfuscate and gloomy

is that obfuscate is (obsolete) obfuscated; darkened; obscured while gloomy is imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded.

As a verb obfuscate

is to make dark; overshadow.