1. To rise up in rebellion against some person or group of authority; to attempt to overthrow the leader of a country or its government. After years of despotic rule, the citizens finally united as one to revolt against the tyrannical dictator. A number of countries have begun revolting against the empire.

2. To stand up against or defiantly reject someone or something. Large businesses across the country have been revolting against the new corporation tax, which has sent the country's economy into a tailspin. Workers are revolting against the cut to their pensions.

3. To refuse to work correctly for someone or something. As my motor neuron disease progressed, my body began revolting against me. I wore contacts for nearly 20 years with no issue, until one day my eyes simply revolted against me. Now I can't wear them without them a great deal of painful irritation.