<p><strong>Noun</strong></p><ul><li>a supporter or adherent of a king or royal government, especially in times of rebellion or civil war.</li><li>(initial capital letter) a Cavalier adherent of Charles I of England.</li><li>a loyalist in the American Revolution; Tory.</li><li>(initial capital letter) an adherent of the house of Bourbon in France.</li></ul><p><strong>Adjective</strong></p><ul><li>of or relating to royalists: royalist sympathies.</li></ul>