The word irridenta refers to a territory or region that a country claims to be a part of its own. One of the synonyms for irridenta is irredentism, which is the political or nationalist movement that seeks to reclaim lost or distant territories that it believes to be rightfully theirs. Another synonym for irridenta is territorial dispute, which describes a conflict between two or more countries over a particular territory. Other synonyms for irridenta include annexation, expansionism, and territorial expansion. Overall, the word irridenta is often used in the context of international relations and territorial disputes between different nations.