overcritical
1. [ adjective ] inclined to judge too severely
Synonyms: hypercritical
Examples:

"hypercritical of colloquial speech" "the overcritical teacher can discourage originality"

Related terms: critical
Similar spelling:   overestimate
  overstock
  oversight
  overcredulity
  overestimation
  overcurious
  overcapitalize
  overcapitalise
  overcrossing
  overactivity