The Collaborative International Dictionary
Overreach \O`ver*reach"\ ([=o]`v[~e]r*r[=e]ch"), v. t. [imp. & p. p. Overreached, ( Overraught, obs.); p. pr. & vb. n. Overreaching.]
To reach above or beyond in any direction.
To deceive, or get the better of, by artifice or cunning; to outwit; to cheat.
--Shak.To defeat one's own purpose by trying to do too much or by trying too hard or with excessive eagerness; -- used reflexively; as, the candidate overreached himself by trying to plant false rumors, which backfired/
Wiktionary
vb. (en-past of: overreach)
Usage examples of "overreached".
Towering above the squat figures, his three-foot knife overreached the blades that hacked at him, and its edge bit deep.
The strips on the side walls overreached the edge of the shelf below, and beyond that point the walls were more than twenty feet in height.
I had a strange feeling in my stomach and was not sure that we had not overreached ourselves with our little liaison unit.