名詞 barbarian:

1. a member of an uncivilized people
   同義詞：savage
2. a crude uncouth ill-bred person lacking culture or refinement
   同義詞：peasant, boor, churl, Goth, tyke, tike

形容詞 barbarian:

1. without civilizing influences
   同義詞：barbaric, savage, uncivilized, uncivilised, wild

1. Rome went down before the barbarian invaders.
   羅馬被野蠻的侵略者所征服。
2. The barbarians conquered Rome.
   野蠻人征服了羅馬。

bar.bar.i.an

n.（名詞）
A member of a people considered by those of another nation or group to have a primitive civilization.
原始人，未開化的人：被其他民族或群體視為擁有原始文化的人
A fierce, brutal, or cruel person.
兇暴、粗野或殘酷的人
An insensitive, uncultured person; a boor.See Synonyms at boor
粗魯不文：感覺不靈敏，沒有文化的人；鄉(xiāng)巴佬參見 boor

來源：
French barbarien
法語 barbarien
from barbare
源自 barbare
from Latin barbarus [barbarous] * see barbarous
源自 拉丁語 barbarus [野蠻的] *參見 barbarous

【引伸】
barbar.ianism
n.（名詞）