barbarous

adjective4

1. •
   Uncivilized, uncultured.

   • [T]he poticaries and barbarus wryters call it [the iris] Irios in the genetiue case. — 1562
2. •
   Mercilessly or impudently violent or cruel, savage.

   • Direct my weapon to his barbarous heart, / That thus opposeth him against the Gods, / And scornes the Powers that gouerne Persea. — 1587
3. •
   Like a barbarian, especially in sound; noisy, dissonant.

   • I did but prompt the age to quit their cloggs / By the known rules of antient libertie, / When strait a barbarous noise environs me / Of Owles and Cuckoes, Asses, Apes and Doggs — 1673
4. •
   Not classical or pure.

   • He, that would write exactly, must avoid a Barbarous Pronunciation, and consider for facility, or thorow mistake, many words are not sounded after the best dialect. Such as […] Wun, one. — 1687