Source : Webster's Revised Unabridged Dictionary (1913)

Nonconformist \Non`con*form"ist\, n.
   One who does not conform to an established church;
   especially, one who does not conform to the established
   church of England; a dissenter.

Source : WordNet®

nonconformist
     adj 1: not conforming to some norm or socially approved pattern of
            behavior or thought; "their rabidly nonformist
            deportment has made them legendary"; "the old stubborn
            nonconformist spirit of the early settlers" [syn: {unconformist}]
            [ant: {conformist}]
     2: not conforming to established customs or doctrines
        especially in religion [syn: {nonconforming}]
     n 1: a Protestant in England who is not a member of the Church of
          England [syn: {chapelgoer}] [ant: {Anglican}]
     2: someone who refuses to conform to established standards of
        conduct [syn: {recusant}] [ant: {conformist}]