protest

a formal and solemn declaration of objection; "they finished the game under protest to the league president"; "the senator rose to register his protest"; "the many protestations did not stay the execution"

the act of protesting; a public (often organized) manifestation of dissent

the act of making a strong public expression of disagreement and disapproval; "he shouted his protests at the umpire"; "a shower of protest was heard from the rear of the hall"

utter words of protest

express opposition through action or words; "dissent to the laws of the country"

affirm or avow formally or solemnly; "The suspect protested his innocence"