uncouth vs vulgar

uncouth and vulgar both are adjectives.

Word	Noun	Adjective	Verb	Adverb
uncouth	No	Yes	No	No
vulgar	No	Yes	No	No

As adjectives, uncouth and vulgar are synonyms defined as:

Other synonyms of uncouth include coarse, common, rough-cut.

uncouth (adjective)	vulgar (adjective)
lacking refinement or cultivation or taste	conspicuously and tastelessly indecent
	of or associated with the great masses of people
	lacking refinement or cultivation or taste
	being or characteristic of or appropriate to everyday language