discourteous, discourteise

[Pref. dis, and Eng. courteous.] Uncourteous, uncivil, rude, wanting in courtesy. "He resolved to unhorse the first discourteous knight he should meet." - Motteux : Don Quixote . dis-court-e-oŭs-lý, adv. [Eng. discourteous; -ly. In a discourteous, rude, or uncivil manner; rudely, uncivilly. "Has he wronged me so discourteously ? "- Marmion : The Antiquary, iv. 1.