The Oxford Thesaurus An A-Z Dictionary of Synonyms - barbarian n.

1) savage, brute: The barbarians wore animal skins. 2) boor, lowbrow, lout, oaf, clod, churl, philistine, ignoramus, yahoo; hooligan, vandal, ruffian, tough, Slang Brit yob, yobbo, skinhead: Those barbarians ought to be denied admittance to the games. --adj. 3) uncivilized, uncultivated, uncultured, philistine, savage; barbarous, barbaric, coarse, vulgar, uncouth, rude; boorish, loutish, oafish, crude, rough, insensitive, churlish, uncivil: One sees a great deal of barbarian behaviour every day.