someone who wants their country or state to be independent of another country 〔政治〕分离主义者
Examples from the Corpus
secessionist• On the one side are democrats, economic reformers and secessionists.• Assam, in common with other north-eastern states, had long been troubled by secessionist groups.• He calmedsecessionistsentiment by dealing constructively with the regional parties of Kashmir, Assam and Punjab.• The mainsecessionistconflicts are in Punjab, Jammu & Kashmir, Assam and the north-eastern states.