re·u·ni·fy (rē-yo͞o′nə-fī′) tr.v. re·u·ni·fied, re·u·ni·fy·ing, re·u·ni·fies To cause (a group, party, state, or sect) to become unified again after being divided. re·u′ni·fi·ca′tion (-fĭ-kā′shən) n. ThesaurusAntonymsRelated WordsSynonymsLegend: Switch to new thesaurus Noun 1. reunification - the act of coming together ...