vulgar vs unwashed

vulgar and unwashed both are adjectives.

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

As adjectives, vulgar and unwashed are synonyms defined as:

Other synonyms of vulgar include common, plebeian.

vulgar (adjective)	unwashed (adjective)
conspicuously and tastelessly indecent	not cleaned with or as if with soap and water
of or associated with the great masses of people	of or associated with the great masses of people
lacking refinement or cultivation or taste
being or characteristic of or appropriate to everyday language