The Collaborative International Dictionary
Overstare
Overstare \O`ver*stare"\, v. t.
To outstare. [Obs.]
--Shak.
Overstare
Overstare \O`ver*stare"\, v. i.
To stare wildly. [Obs.]
--Ascham.
Wiktionary
overstare
vb. 1 (context obsolete English) To stare wildly. 2 (context obsolete English) To outstare.