simple past tense and past participle of protest

One who protests, either alone or in a public display of group feeling. / (law) One who protests a bill of exchange, or note.

Alternative letter-case form of Protestant / protesting

(chiefly law) One who protests; a protester. / Alternative letter-case form of Protestant

A formal objection, especially one by a group. / A collective gesture of disapproval; a demonstration. / The noting by a notary public of an unpaid or unaccepted bill.

(intransitive) To make a strong objection. / (transitive) To affirm (something). / (transitive, chiefly Canada, US) To object to.

present participle of protest

Protestation.

plural of protestation

(Christianity) Of or pertaining to several denominations of Christianity that separated from the Roman Catholic Church based on theological or political differences during the Reformation.