1. a strong declaration or assertion, especially one made in response to doubt or accusation
2. a formal objection or complaint

Examples

• Despite his protestations of innocence, the evidence was overwhelming.
• She made loud protestations about the unfair treatment.
• His protestations of love seemed sincere.
• The committee ignored their protestations about the new policy.
• Her protestations fell on deaf ears.
• The defendant’s protestations did not convince the jury.
• Citizens filed formal protestations against the proposed law.