Source : Webster's Revised Unabridged Dictionary (1913)

Criminous \Crim"i*nous\ (kr?m"?-n?s), a. [L. criminosus, fr.
   crimen. See {Crime}.]
   Criminal; involving great crime or grave charges; very
   wicked; heinous. [Obs.] --Holland. -- {Crim"i*nous*ly}, adv.
   -- {Crim"i*nous*ness}, n. [Obs.]