secede
verb /sɪˈsiːd/
  /sɪˈsiːd/
[intransitive] (formal)Verb Forms
| present simple I / you / we / they secede |    /sɪˈsiːd/   /sɪˈsiːd/  | 
| he / she / it secedes |    /sɪˈsiːdz/   /sɪˈsiːdz/  | 
| past simple seceded |    /sɪˈsiːdɪd/   /sɪˈsiːdɪd/  | 
| past participle seceded |    /sɪˈsiːdɪd/   /sɪˈsiːdɪd/  | 
| -ing form seceding |    /sɪˈsiːdɪŋ/   /sɪˈsiːdɪŋ/  | 
- secede (from something) (of a state, country, etc.) to officially leave a larger state or organization of states and become independent
- The Republic of Panama seceded from Colombia in 1903.
 
Word Originearly 18th cent.: from Latin secedere, from se- ‘apart’ + cedere ‘go’.