'Merest' definitions:

Definition of 'Merest'

From: GCIDE

Mere \Mere\ (m[=e]r), a. [Superl. Merest. The comparative is rarely or never used.] [L. merus.]
1. Unmixed; pure; entire; absolute; unqualified. [1913 Webster]
Then entered they the mere, main sea. --Chapman. [1913 Webster]
The sorrows of this world would be mere and unmixed. --Jer. Taylor. [1913 Webster]
2. Only this, and nothing else; such, and no more; simple; bare; as, a mere boy; a mere form. [1913 Webster]
From mere success nothing can be concluded in favor of any nation. --Atterbury. [1913 Webster]