squalid vs seedy

squalid and seedy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
squalid	No	Yes	No	No
seedy	No	Yes	No	No

As adjectives, squalid and seedy are synonyms defined as:

Other synonyms of squalid include seamy, sleazy, sordid.

squalid (adjective)	seedy (adjective)
foul and run-down and repulsive	full of seeds
morally degraded	morally degraded
	somewhat ill or prone to illness
	shabby and untidy