sb. U.S. [irreg. f. verbal phrase come out (see COME v. 63) + -ER.] One who comes out or separates himself on principle from an established society or organization; originally applied to certain religious dissenters; a radical reformer in religious matters.
1855. Haliburton, Human Nature (Bartlett). I am a Christian man of the sect called come-outers, and have had experience.
1860. Marsh, Eng. Lang., 275. Independent thinkers, who pride themselves on their hostility to venerable shams, and their disregard of hoary conventionalities. I mean the comeouters.
1881. Harpers Mag., Feb., 386. Radical reformers, come-outers, revolutionists.