Noun
The doctrine or policy of secession; the tenets of secession; the tenets of secessionists.
Source: Webster's dictionaryHe said these leaders in their rule promoted corruption, dynastic politics and secessionism. Source: Internet
Some pro-BJP voices on social media have tried to portray the protests by Sikh farmers as cover for advocacy of Sikh secessionism; others have called it an opposition ploy. Source: Internet