noun
separatism; secessionism
Political ideology advocating that a region or group should separate from a larger entity to form an independent state or gain autonomy.
その地域では分離主義運動が活発化している。
The separatist movement is becoming more active in that region.
分離主義は国家の統一
Separatism can threaten national unity.
Compound of 分離 (separation) + 主義 (doctrine, -ism). A straightforward modern term for political separatism.