Source : Webster's Revised Unabridged Dictionary (1913)

Hypercritical \Hy`per*crit"ic*al\, a.
   1. Over critical; unreasonably or unjustly critical; carping;
      captious. ``Hypercritical readers.'' --Swift.

   2. Excessively nice or exact. --Evelyn.

Source : WordNet®

hypercritical
     adj : inclined to judge too severely; "hypercritical of colloquial
           speech"; "the overcritical teacher can discourage
           originality" [syn: {overcritical}]