UNCIVIL
uncivil, rude
(adjective) lacking civility or good manners; “want nothing from you but to get away from your uncivil tongue”- Willa Cather
Source: WordNet® 3.1
Etymology
Adjective
uncivil (comparative more uncivil, superlative most uncivil)
Not civilized
Synonyms: savage, barbarous, uncivilized
Not civil; discourteous; impolite
Synonyms
• See also impolite
Source: Wiktionary
Un*civ"il, a.
1. Not civilized; savage; barbarous; uncivilized.
Men can not enjoy the rights of an uncivil and of a civil state
together. Burke.
2. Not civil; not complaisant; discourteous; impolite; rude;
unpolished; as, uncivil behavior.
Source: Webster’s Unabridged Dictionary 1913 Edition