proscribed vs forbidden

proscribed and forbidden both are adjectives.

Word	Noun	Adjective	Verb	Adverb
proscribed	No	Yes	No	No
forbidden	No	Yes	No	No

As adjectives, proscribed and forbidden are synonyms defined as:

Other synonyms of proscribed include out, prohibited, taboo, tabu, verboten.

proscribed (adjective)	forbidden (adjective)
excluded from use or mention	excluded from use or mention