Source : Webster's Revised Unabridged Dictionary (1913)

Abnormous \Ab*nor"mous\, a. [L. abnormis; ab + norma rule. See
   {Normal}.]
   Abnormal; irregular. --Hallam.

         A character of a more abnormous cast than his equally
         suspected coadjutor.                     --State
                                                  Trials.