n.
Pronunciation: wi- ' th in, - ' thin
Function: adverb
Etymology: Middle English withinne, from Old English withinnan, from with + innan inwardly, within, from in
Date: before 12th century
1 : in or into the interior : INSIDE
2 : in one's inner thought, disposition, or character : INWARDLY <search within for a creative impulse ― Kingman Brewster † 1988>