The Collaborative International Dictionary of English v.0.48:

Unright \Un*right"\, a. [AS. unriht. See Un- not, and
   Right.]
   Not right; wrong. [Obs.] --Gower.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Unright \Un*right"\, n.
   A wrong. [Obs.]
   [1913 Webster]

         Nor did I you never unright.             --Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Unright \Un*right"\, v. t. [1st pref. un- + right.]
   To cause (something right) to become wrong. [Obs.] --Gower.
   [1913 Webster]