Source : Webster's Revised Unabridged Dictionary (1913)

Throughly \Through"ly\, adv.
   Thoroughly. [Obs.] --Bacon.

         Wash me throughly from mine iniquity.    --Ps. li. 2.

         To dare in fields is valor; but how few Dare to be
         throughly valiant to be true?            --Dryden.