1. a territory that is historically or ethnically related to one country but is currently controlled by another country, especially one that a nation seeks to reclaim or annex.
Usage: often used in plural form 'irredentae' or 'irredentism' (noun) to describe the movement or ideology; political/historical term

Examples

• The region has been considered irredenta by the neighboring country for decades.
• Irredenta movements emerged in Europe during the 19th century as nations sought to unite with ethnically similar territories.
• The government's claim to the irredenta was based on historical and cultural ties.
• Many irredentae in Eastern Europe became focal points of international tension.
• The concept of irredenta played a significant role in the political conflicts of the early 20th century.