<p><strong>Adjective</strong></p><ul><li>of, like, or pertaining to an empire</li><li>of, like, or pertaining to an emperor or empress</li><li>characterizing the rule or authority of a sovereign state over its dependencies</li><li>of the nature or rank of an emperor or supreme ruler</li><li>of a commanding quality, manner, aspect, etc.; domineering; imperious</li><li>befitting an emperor or empress; regal; majestic; grand</li><li>of special or superior size or quality, as various products and commodities</li><li>(of weights and measures) conforming to the standards legally established in Great Britain</li></ul><p><strong>Noun</strong></p><ul><li>a size of printing or drawing paper, 22 × 30 inches (56 × 76 centimeters) in England, 23 × 33 inches (58 × 84 centimeters) in the United States</li><li>imperial octavo, a size of book, about 8¼ × 11½ inches (21 × 29 centimeters), untrimmed, in the United States, and 7½ × 11 inches (19 × 28 centimeters), untrimmed, in England</li><li>imperial quarto, chiefly British, a size of book, about 11 × 15 inches (28 × 38 centimeters), untrimmed</li><li>the top of a carriage, especially of a diligence</li><li>a case for luggage carried there</li><li>a member of an imperial party or of imperial troops</li><li>an emperor or empress</li><li>any of various articles of special size or quality</li><li>an oversized bottle used especially for storing Bordeaux wine, equivalent to 8 regular bottles or 6 liters (6.6 quarts)</li></ul>