of large size or extent; great; extensive; hence, relatively great; greatest; chief; principal; as, a grand mountain; a grand army; a grand mistake.-great in size, and fine or imposing in appearance or impression; illustrious, dignifled, or noble (said of persons); majestic, splendid, magnificent, or sublime (said of things); as, a grand monarch; a grand lord; a grand general; a grand view; a grand conception.-having higher rank or more dignity, size, or importance than other persons or things of the same name; as, a grand lodge; a grand vizier; a grand piano, etc.-standing in the second or some more remote degree of parentage or descent; -- generaliy used in composition; as, grandfather, grandson, grandchild, etc.