dressed vs attired

dressed and attired both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dressed	No	Yes	No	No
attired	No	Yes	No	No

As adjectives, dressed and attired are synonyms defined as:

dressed and attired: dressed or clothed especially in fine attire; often used in combination

Other synonyms of dressed include appareled, garbed, garmented, habilimented, robed.

dressed (adjective)	attired (adjective)
dressed or clothed especially in fine attire; often used in combination	dressed or clothed especially in fine attire; often used in combination
(of lumber or stone) to trim and smooth
treated with medications and protective covering
dressed in fancy or formal clothing