Someone who calls for the seizure or recovery of territories or states currently subject to other countries
As the assassination of Sadat proved, the Arab irredentists, like the Zionist ultras, have always been unerring in picking off any incipient mediators.
{i} one who supports irredentism, one who supports the policy that a country should annex or recover neighboring territory because of ethnic or historic connections
A member or supporter of the Italian party after 1878 which called for the recovery of all Italian-speaking territories subject to other countries