Definition of sedition noun from the Oxford Advanced Learner's Dictionary

 

sedition

 noun
noun
BrE BrE//sɪˈdɪʃn//
 
; NAmE NAmE//sɪˈdɪʃn//
 
[uncountable](formal)
 
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the use of words or actions that are intended to encourage people to oppose a government synonym insurrection to be charged with sedition sedition laws to commit sedition Word Origin late Middle English (in the sense ‘violent strife’): from Old French, or from Latin seditio(n-), from sed- ‘apart’ + itio(n-) ‘going’ (from the verb ire).
See the Oxford Advanced American Dictionary entry: sedition