secession
noun
se·ces·sion si-ˈse-shən 
1
: withdrawal into privacy or solitude : retirement
2
: formal withdrawal from an organization
Example Sentences
the secession of the Southern states
Recent Examples on the Web In comments on Reddit in September, Bickett warned that foreigners in Hong Kong could be targeted under the law, which is broadly written and criminalizes terrorism, subversion, secession and collusion with foreign forces. 
NBC News, 8 Feb. 2022 Since then, almost 200 people have been arrested on charges of subversion, secession, terrorism or collusion with foreign forces, including journalists and many of Hong Kong’s most prominent pro-democracy figures. Jennifer Jett, NBC News, 1 July 2022 For Lam's successor, Beijing opted for Lee, a former top police official and staunch advocate of the new National Security Law that outlaws subversion, secession, terrorism and collusion with foreign forces. Arkansas Online, 8 May 2022 After appeals to remove the roadblock were denied by federal officials, Key West’s then-Mayor Dennis Wardlow led local leaders in staging the tongue-in-cheek secession, proclaiming the independent Conch Republic and raising its royal blue flag. From Usa Today Network And Wire Reports, USA TODAY, 18 Apr. 2022 This is a mission explicitly tied to Brexit and the threat of Scottish secession, the two great revolutionary challenges facing the British state. Tom Mctague, The Atlantic, 19 June 2022 Slavery’s domination of American political institutions appeared to be so unbreakable that states’ rights—or, for some, secession from the Union—seemed to be the only hope for insuring a refuge for freedom. The New Yorker, 6 June 2022 White supremacy almost destroyed the nation during antebellum slavery, triggered secession, treason and a catastrophic Civil War where over 600,000 Americans perished. Peniel E. Joseph, CNN, 16 May 2022 The bill would prohibit acts of treason, secession, sedition and subversion against China. Robert Olsen, Forbes, 8 May 2022 See More
NBC News, 8 Feb. 2022 Since then, almost 200 people have been arrested on charges of subversion, secession, terrorism or collusion with foreign forces, including journalists and many of Hong Kong’s most prominent pro-democracy figures. Jennifer Jett, NBC News, 1 July 2022 For Lam's successor, Beijing opted for Lee, a former top police official and staunch advocate of the new National Security Law that outlaws subversion, secession, terrorism and collusion with foreign forces. Arkansas Online, 8 May 2022 After appeals to remove the roadblock were denied by federal officials, Key West’s then-Mayor Dennis Wardlow led local leaders in staging the tongue-in-cheek secession, proclaiming the independent Conch Republic and raising its royal blue flag. From Usa Today Network And Wire Reports, USA TODAY, 18 Apr. 2022 This is a mission explicitly tied to Brexit and the threat of Scottish secession, the two great revolutionary challenges facing the British state. Tom Mctague, The Atlantic, 19 June 2022 Slavery’s domination of American political institutions appeared to be so unbreakable that states’ rights—or, for some, secession from the Union—seemed to be the only hope for insuring a refuge for freedom. The New Yorker, 6 June 2022 White supremacy almost destroyed the nation during antebellum slavery, triggered secession, treason and a catastrophic Civil War where over 600,000 Americans perished. Peniel E. Joseph, CNN, 16 May 2022 The bill would prohibit acts of treason, secession, sedition and subversion against China. Robert Olsen, Forbes, 8 May 2022 See More Word History
Etymology
Latin secession-, secessio, from secedere
First Known Use
1604, in the meaning defined at sense 1