1. Disagreeing, especially with a majority
   - dissentient, dissident

1. Withhold assent
   "Several Republicans dissented" 
2. Express opposition through action or words
   "dissent to the laws of the country"
   - protest, resist 
3. Be of different opinions
   - disagree, differ, take issue

See also: dissension, dissenter, negative

Type of: contradict, controvert, oppose

Antonym: assent

Encyclopedia: Dissent

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