<p><strong>Adjective</strong></p><ul><li>of or relating to a king, queen, or other sovereign: royal power; a royal palace.</li><li>descended from or related to a king or line of kings: a royal prince.</li><li>noting or having the rank of a king or queen.</li><li>established or chartered by or existing under the patronage of a sovereign: a royal society.</li><li>(initial capital letter) serving or subject to a king, queen, or other sovereign.</li><li>proceeding from or performed by a sovereign: a royal warrant.</li><li>appropriate to or befitting a sovereign; magnificent; stately: royal splendor.</li><li>Synonyms: majestic</li><li>Antonyms: servile</li><li>(usually initial capital letter) British: in the service of the monarch or of the Commonwealth: Royal Marines; Royal Air Force.</li><li>fine; excellent: in royal spirits.</li><li>Informal: extreme or persistent; unmitigated: a royal nuisance; a royal pain.</li></ul><p><strong>Noun</strong></p><ul><li>Nautical: a sail set on a royal mast.</li><li>Informal: a royal person; member of the royalty.</li><li>Usually royals.</li><li>Chiefly British: a member of England's royal family.</li><li>a size of printing paper, 20 × 25 inches (51 × 64 centimeters).</li><li>a size of writing paper, 19 × 24 inches (48 × 61 centimeters).</li><li>Numismatics: any of various former coins, as the real or ryal.</li></ul>