low-spirited vs depressed

low-spirited and depressed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
low-spirited	No	Yes	No	No
depressed	No	Yes	No	No

As adjectives, low-spirited and depressed are synonyms defined as:

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

low-spirited (adjective)	depressed (adjective)
filled with melancholy and despondency	filled with melancholy and despondency
	lower than previously
	flattened downward as if pressed from above or flattened along the dorsal and ventral surfaces