dissent
noun /dɪˈsent/
  /dɪˈsent/
 (formal)- [uncountable] the fact of having or expressing opinions that are different from those that are officially accepted
- political/religious dissent
 - Voices of dissent began to rise against the established authority in the 1950s and 1960s.
 - Stability only exists in the country because dissent has been suppressed.
 
Extra ExamplesTopics Opinion and argumentc2- His dissent from his family's religious beliefs caused a lot of ill-feeling.
 - It is easier to register dissent in the internet era.
 - Political dissent is not tolerated.
 - The regime ruthlessly suppresses all dissent.
 - The war provoked strong dissent.
 - There are many ways of expressing dissent.
 - efforts to suppress legitimate dissent
 - internal party dissent
 - popular dissent against the Church
 - The authorities continue their suppression of political dissent.
 
Oxford Collocations Dictionaryadjective- serious
 - strong
 - vigorous
 - …
 
- cause
 - express
 - register
 - …
 
- dissent against
 - dissent from
 
- a voice of dissent
 
 - [uncountable] (in sport) the offence of openly disagreeing with the referee's decision
- He was sent off for dissent.
 
 - [countable] (North American English) a judge’s statement giving reasons why he or she disagrees with a decision made by the other judges in a court caseTopics Preferences and decisionsc2, Law and justicec2
 
Word Originlate Middle English: from Latin dissentire ‘differ in sentiment’.