Definition of "secede"

secede

/sɪˈsiːd/

verb
third-person singular simple present secedes, present participle seceding, simple past and past participle seceded
1. (intransitive) To split from or to withdraw from membership of a political union, an alliance or an organisation.
  Quotations
  We can secede from the United Kingdom any time we want.
  2007, Writers declare independence for Wirral., Wirral Globe, retrieved 11 July 2007.
2. (transitive, uncommon) To split or to withdraw one or more constituent entities from membership of a political union, an alliance or an organisation.
  Quotations
  At the same time, Nolan also secretly contracted with the crafty United States Army general James Wilkinson to organize some men to secede Texas from Spanish America.
  2002, Darryl E. Brock, “José Agustín Quintero: Cuban Patriot in Confederate Diplomatic Service”, in Cubans in the Confederacy: José Agustín Quintero, Ambrosio José Gonzales, and Loreta Janeta Velazquez, Ed. Phillip Thomas Tucker, publ. McFarland, page 103
  A Spanish Supreme Court probe into last year's attempt to secede Catalonia from Spain wraps up Friday with the judge expected to charge 28 regional politicians and separatist leaders with offenses that may include rebellion.
  2018, “The Latest: Europe arrest warrants for 6 Catalan separatists”, in ABC News‎, The Associated Press