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English definition of “rebellious”

rebellious

adjective uk   /rɪˈbel.i.əs/ us  
If a group of people are rebellious, they oppose the ideas of the people in authority and plan to change the system, often using force: rebellious groups of southern tribespeople C1 If someone is rebellious, they are difficult to control and do not behave in the way that is expected: Her teachers regard her as a rebellious, trouble-making girl.
rebelliously
adverb uk   /-li/ us  
rebelliousness
noun [U] uk   /-nəs/ us  
(Definition of rebellious from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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