Insubordination (noun)

1. Disobedience or refusal to obey authority or rules.
2. The act of being insubordinate.

Origin:

From latin insubordinatio, from insubordinare ("to disobey"), from in- ("not") + subordinare ("to subject, place unde.r")

Examples:

1. The employee was fired for insubordination after refusing to follow a direct order from his supervisor.
2. He was court-martialed for insubordination after refusing to obey a lawful order.
3. The soldiers were disciplined for insubordination after disobeying orders from their commanding officer.
4. The company has a zero-tolerance policy for insubordination.
5. The student's insubordination resulted in detention.