1Of a thing: characteristic of the countryside or country life; of a type or style appropriate to the country; especially plain, simple; crude.
2Of speech, writing, behaviour, etc.: characteristic or typical of country people; especially (depreciative) unrefined, vulgar.
3rare Of a person: boorish; unsophisticated; = "rustic".
A person who lives in the countryside (typically implying ignorance or lack of sophistication); a yokel; = "rustic".
Late 15th century (in an earlier sense). From post-classical Latin rusticalis rural, rustic, of or relating to a serf or villein from classical Latin rusticus + -ālis.