unpitious

from The Collaborative International Dictionary of English v.0.48

Unpitious \Un*pi"tious\, a.
   1. Impious; wicked. [Obs.] "The life of the unpitous."
      --Wyclif (Prov. xv. 8).
      [1913 Webster]

   2. Destitute of pity; pitiless. [Obs.] --Chaucer.
      [1913 Webster] -- {Un*pi"tous*ly}, adv. [Obs.] --
      {Un*pi"tous*ness}, n. [Obs.] --Wyclif.
      [1913 Webster]