noun , verb
■ noun / ˈrebl; NAmE /
1.
a person who fights against the government of their country :
rebel forces
Armed rebels advanced towards the capital.
2.
a person who opposes sb in authority over them within an organization, a political party, etc.
3.
a person who does not like to obey rules or who does not accept normal standards of behaviour, dress, etc. :
I've always been the rebel of the family.
■ verb
/ rɪˈbel/ [ v ] ( -ll- ) rebel (against sb/sth) to fight against or refuse to obey an authority, for example a government, a system, your parents, etc. :
He later rebelled against his strict religious upbringing.
Most teenagers find something to rebel against.
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WORD ORIGIN
Middle English : from Old French rebelle (noun), rebeller (verb), from Latin rebellis (used originally with reference to a fresh declaration of war by the defeated), based on bellum war.