noun

• (chiefly uncountable) The quality or state of being sovereign.
• Of a ruler (especially a monarch): supreme authority or dominion over something.
• (by extension) Of a nation or other polity: the state of being able to control resources, make laws independently, and otherwise govern itself without the coercion or concurrence of other polities.
• (by extension) Of a person: the liberty to decide one's actions and thoughts.
• Pre-eminent or superior excellence; also, superior ability to achieve something; mastery.
• (countable) A territory under the rule of a sovereign; an independent or self-governing nation or other polity.