ˈsovereignshiprare. [f. sovereign n.] a. The personality of a sovereign. b. Sovereignty. a1668Davenant Play-ho. to LetWks. (1673) 74 Tell him, the Wise are not at leisure now To hear his Sov'raignship.1817Jas. Mill Brit. India I. ii. x. 438 The idea of the universal sovereignship of India.