irredentist /ɪɹɪˈdɛntɪst/adjective 1noun 1forms 3 adjective1 •Of or relating to irredentists or their policies.In 1885, a Bulgarian irredentist movement seized control of neighbouring Ottoman-ruled Eastern Roumelia and announced the creation of a Greater Bulgaria. — 2012 noun1 •Someone who calls for the seizure or recovery of territories or states currently subject to other countries; an adherent of irredentism.As the assassination of Sadat proved, the Arab irredentists, like the Zionist ultras, have always been unerring in picking off any incipient mediators. — 2007 formsirredentists · more irredentist · most irredentist