noun. One who maintains the principle of secessionism; specifically, in United States history, one who took part in or sympathized with the attempt of the Southern States, in 1860–65, to withdraw from the Union; an inhabitant of a Southern State who aided or sympathized with the secession movement.

Of or pertaining to secession or secessionists.

noun. Specifically, a member of a body of artists which, in principles and methods, differs from and protests against the accepted traditions of older societies.

noun. One who upholds secession.

noun. One who holds to the belief that a State has the right to separate from the Union at its will.

noun. A person who secedes or supports secession from a political union or an alliance or organisation.

adjective. seceding or supporting secession.

noun. an advocate of secessionism

"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."

secede  secession  

advocate  advocator  exponent  proponent  

impressionist  

'german  Anabaptist  Fenian  Fortean  birdwatcher  

abjuratory  apostate  backslider  bolter  breakaway