Added 9 October 2026 protester /pɹəˈtɛstəɹ/ noun Categories: PeopleRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about protester at Wordnik → Where our words come from → One who protests, either alone or in a public display of group feeling. The protesters thronged Trafalgar Square and sang anti-war songs. One who protests a bill of exchange, or note. Related Words: demonstratorcontestantobjectordissenterdissidentprotestantcounterprotestorcounterprotesteropposerrevolutionistproactivist Back to today's word