independentist
adjective
supporting, advocating, or agitating for the independence of a nation from the power currently governing it.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
And the result in Missouri, voting for Roosevelt, republican, and Folk, democrat, shows that what we may call federal independentism has commenced in the south.
From The Brothers' War by John Calvin Reed