Source : Webster's Revised Unabridged Dictionary (1913)

Somedeal \Some"deal`\, adv.
   In some degree; somewhat. [Written also {sumdel}, {sumdeale},
   and {sumdele}.] [Obs.] ``She was somedeal deaf.'' --Chaucer.

         Thou lackest somedeal their delight.     --Spenser.