Definition of "secessionist" [se•ces•sion•ist]

• A person who secedes or supports secession from a political union or an alliance or organisation. (noun)
• Seceding or supporting secession. (adjective)

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• "When most knowledgeable Americans hear the word secessionist, they think of the southern slave states that formed the Confederacy and seceded from the United States back in 1861."
• "Meanwhile, the Namibian government has called the secessionist movement a "terrorist" conspiracy and accused Muyongo and Mamili of instigating it."
• "But he still would not go along with the rest of the South in the secession movement and even refusing to call a secessionist convention till he was forced to do so."