The Collaborative International Dictionary of English v.0.48:
Hypercritic \Hy`per*crit"ic\, n. [Pref. hyper- + critic: cf. F. hypercritique.] One who is critical beyond measure or reason; a carping critic; a captious censor. "Hypercritics in English poetry." --Dryden. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Hypercritic \Hy`per*crit"ic\, a. Hypercritical. [1913 Webster]