1) Discourteous 2) Ill-mannered 3) Impolite 4) Impolite, bad-mannered 5) Lacking courtesy 6) Rude 7) Short of a nice, polite type 8) Uncivilized 9) Unmannerly 10) Without good manners Found on https://www.crosswordclues.com/clue/uncivil
• (a.) Not civilized; savage; barbarous; uncivilized. • (a.) Not civil; not complaisant; discourteous; impolite; rude; unpolished; as, uncivil behavior. Found on http://thinkexist.com/dictionary/meaning/uncivil/
adjective lacking civility or good manners; `want nothing from you but to get away from your uncivil tongue`- Willa Cather Found on https://www.encyclo.co.uk/local/20974