- A theory or doctrine which supports a state of separation between organizations, institutions, or other societal groups (e.g. between church and state) or between different political jurisdictions (e.g. a country and its former colony).
- ''She wrote an essay expounding the tenets of Scottish separatism.
- The practice of treating members of different societal groups in a politically, legally, or economically different manner.
- Apartheid was a government-enformed form of separatism in which people received unequal social benefits based on race.
- French: séparatisme
- German: Separatismus
- Italian: separatismo
- Portuguese: separatismo
- Russian: сепарати́зм
- Spanish: separatismo