Englishuncouth
adjective
the porters shouted to each other in uncouth tones:
uncivilized, uncultured, uncultivated, unrefined, unpolished, unsophisticated, common, low, plebeian, philistine, rough, coarse, provincial, rustic, crude, gross, loutish, hooligan, boorish, oafish;
Neanderthal, barbarian, barbarous, barbaric, bearish, primitive, savage;
churlish, uncivil, rude, impolite, discourteous, disrespectful, unmannerly, bad-mannered, ill-mannered, ill-bred, indecorous, ungallant, ungentlemanly, unladylike, vulgar, crass, indelicate, offensive;
North American backwoods, hillbilly, hick;
informal yobbish, slobbish, clodhopping.
▷antonyms refined, cultivated; polite.
uncouth Oxford Dictionary of English