The Collaborative International Dictionary of English v.0.48:

Disfriar \Dis*fri"ar\ (d[i^]s*fr[imac]"[~e]r), v. t.
   To depose or withdraw from the condition of a friar. [Obs.]
   [1913 Webster]

         Many did quickly unnun and disfriar themselves.
                                                  --Fuller.
   [1913 Webster]