Synonyms of 'secede'
On 20 August 1960 Senegal seceded.
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He has resigned after only ten weeks in office.
He was wounded, but did not retire from the field.
Thesaurus for secede from the Collins English Thesaurus
If a region or group secedes from the country or larger group to which it belongs, it formally becomes a separate country or stops being a member of the larger group.