D defs.my
Entry 1 sense Webster, 1913

Discourtesy

· Dis·cour·te·sy · IPA /dɪsˈkɜːtəzi/
01 n. Rudeness of behavior or language; ill manners; manifestation of disrespect; incivility.
  1. 1.
    Rudeness of behavior or language; ill manners; manifestation of disrespect; incivility.
    “Be calm in arguing; for fierceness makes Error a fault, and truth discourtesy.” Herbert.