(Christianity) A member of any of several Christian denominations which separated from the Roman Catholic Church based on theological or political differences during the Reformation (or in some cases later).

(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.

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

Alternative letter-case form of Protestant / protesting

plural of protestant

(obsolete) One who makes protestation; a protester.

Protestantism

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.

simple past tense and past participle of protest

a formal solemn objection or other declaration