depressed vs gloomy

depressed and gloomy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
depressed	No	Yes	No	No
gloomy	No	Yes	No	No

As adjectives, depressed and gloomy are synonyms defined as:

Other synonyms of depressed include blue, dispirited, down, down in the mouth, downcast, downhearted, grim, low-spirited, low.

depressed (adjective)	gloomy (adjective)
filled with melancholy and despondency	depressingly dark
lower than previously	filled with melancholy and despondency
flattened downward as if pressed from above or flattened along the dorsal and ventral surfaces	causing dejection