Impertinence (noun)

1. Rudeness or lack of respect in speech or behavior.
2. The quality of being impertinent; impudence.

Origin:

Late middle english: from old french, from latin impertinencia, from impertinent- "not relevant", from in- "not" + pertinere "pertain".

Examples:

1. The employee was fired for his impertinence towards his manager.
2. The student's impertinence in class led to disciplinary action.
3. The guest's impertinence towards the hostess was not tolerated.
4. Her impertinence was seen as a sign of her lack of respect for authority.
5. His impertinence was viewed as a form of insubordination.