protestation /ˌpɹɒtɪsˈteɪʃən/ noun2 •A formal solemn objection or other declaration.October 28, 1552, Hugh Latimer, Sermon on the Gospel for St Simon and St Jude's Day The protestation of our faith. •(historical) A declaration in common-law pleading, by which the party interposes an oblique allegation or denial of some fact, protesting that it does or does not exist, and at the same time avoiding a direct affirmation or denial. formsprotestations