insurrection

/ˌɪnsəˈrɛkʃən/
noun
  1. A violent uprising or rebellion against an established government or authority.
    • Historians still debate the causes of the insurrection that nearly toppled the capital.
    • The leader of the insurrection was captured and tried for treason.
    • The government quickly put down the insurrection with military force.
  2. A strong, often organized challenge or revolt against any form of authority or control.
    • There was an insurrection among the workers when the company cut their benefits without warning.
    • The students' protest turned into a full insurrection against the school's strict dress code.
    • The board faced an insurrection from shareholders who demanded new leadership.