Hypercritic

n. [Fr. hypercritique, from Gr. ὑπέρ, over, beyond, and κριτικός, critical, critic.] One who is critical beyond measure or reason; an over-rigid critic; a captious censor. Dryden.

a. 1. Over-critical; critical beyond use or reason; animadverting on faults with unjust severity. “Hypercritical readers.” Swift. 2. Excessively nice or exact; as, an hypercritical punctilio. Evelyn.