Nouns

(n)yokel, rube, hick, yahoo, hayseed, bumpkin, chawbacona person who is not very intelligent or interested in culture

Adjectives

(s)bumpkinly, hick, rustic, unsophisticatedawkwardly simple and provincial“bumpkinly country boys”, “rustic farmers”, “a hick town”, “the nightlife of Montmartre awed the unsophisticated tourists”