1. formally withdrawing from membership in a political union, organization, or alliance
Usage: present participle of secede

Examples

• The southern states were seceding from the Union in 1861.
• Several members are seceding from the organization due to policy disagreements.
• The province is seceding to form its own independent nation.
• After seceding from the alliance, the country faced economic isolation.
• The group accused the leadership of corruption before seceding.
• Seceding from the federation requires a formal vote by the legislature.