Definition of sedition noun from the Oxford Advanced American Dictionary

     

    sedition

     noun
    noun
    NAmE//sɪˈdɪʃn//
     
    [uncountable](formal)
     
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  1. 1the use of words or actions that are intended to encourage people to oppose a government synonym insurrection
  2. 2 to be charged with sedition sedition laws to commit sedition
NAmE//sɪˈdɪʃəs//
 
adjective seditious activity The letter was declared seditious.
See the Oxford Advanced Learner's Dictionary entry: sedition