Overest \O"ver*est\, a. [Superl. of Over.]

Uppermost; outermost. [1913 Webster]

Full threadbare was his overeste courtepy. --Chaucer. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

Overest \O"ver*est\, a. [Superl. of Over.]

Uppermost; outermost.

Full threadbare was his overeste courtepy. --Chaucer.

Source: Webster's Revised Unabridged Dictionary (1913)