<p><strong>Adjective</strong></p><ul><li>uncivilized;</li><li>wild;</li><li>savage;</li><li>crude.</li><li>savagely cruel or harsh: The prisoners of war were given barbarous treatment.</li><li>Synonyms: brutal, inhuman, ferocious.</li><li>full of harsh sounds; noisy; discordant: an evening of wild and barbarous music.</li><li>not conforming to classical standards or accepted usage, as language.</li><li>foreign; alien.</li><li>(among ancient Greeks) designating a person or thing of non-Greek origin.</li></ul>