rebellion

UK: /rɪˈbɛljən/ US: /rɪˈbɛljən/ ,(ri bel′yən)

WordReference Random House Learner's Dictionary of American English © 2025

re•bel•lion /rɪˈbɛlyən/   n. 

1. Government open, organized, and armed resistance to a government or ruler:
   [uncountable] rebellion against the king.
   [countable] A rebellion broke out.
2. resistance to or defiance of any authority, control, or tradition:
   [uncountable] signs of rebellion in the classroom.
   [countable] small rebellions by the voters.

WordReference Random House Unabridged Dictionary of American English © 2025

re•bel•lion  (ri bel′yən), n. 

1. Government open, organized, and armed resistance to one's government or ruler.
2. resistance to or defiance of any authority, control, or tradition.
3. the act of rebelling.

• Latin rebelliōn- (stem of rebelliō), equivalent. to rebell(āre) to rebel + -iōn- -ion
• Old French
• Middle English rebellioun 1300–50

Synonyms

• 1. mutiny, sedition.
• 2. insubordination, disobedience.

Collins Concise English Dictionary © HarperCollins Publishers::

rebellion / rɪˈbɛljən/ noun

1. organized resistance or opposition to a government or other authority
2. dissent from an accepted moral code or convention of behaviour, dress, etc

Etymology: 14th Century: via Old French from Latin rebelliō revolt (of those conquered); see rebel