1. supreme power or authority, especially the authority of a state to govern itself
2. the status of a state or territory that governs itself independently
Usage: political

Examples

• The nation fought for its sovereignty after years of colonial rule.
• Parliamentary sovereignty means that Parliament has supreme legal authority.
• The treaty recognized the sovereignty of the newly formed republic.
• National sovereignty can sometimes conflict with international law.
• The island declared its sovereignty and established its own government.
• Popular sovereignty suggests that political power comes from the people.