Definition of "discourtesy" [dis•cour•te•sy]

• Lack of courtesy; rudeness. (noun)
• A rude act or statement. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Frankly, I think the discourtesy is on the side of the students objecting to the U.S. flag."
• "Even the perspective of courtesy/discourtesy is still contextual to the degree that offensiveness must be calibrated in order establish that which is a courteous or discourteous disagreement."
• "Our democratic principles should not be allowed to lead us to indulge in discourtesy, and thus throw a shadow of disgrace upon our institutions."