royalist Syllabification: (roy·al·ist)Pronunciation: /ˈroiəlist/Translate royalist | into Spanish Definition of royalist noun a person who supports the principle of monarchy or a particular monarchy. a supporter of the king against Parliament in the English Civil War. US a supporter of the British during the American Revolution; a Tory. adjective giving support to the monarchy:the paper claims to be royalist (in the English Civil War) supporting the king against Parliament:the royalist armyDerivatives royalismPronunciation: /-ˌizəm/ noun royalist in other Oxford dictionaries Definition of royalist in the British & World English dictionary