procritic
/prəˈkɹɪtɪk/Definitions
1. noun
A critic who is overly critical, often to the point of being excessively negative or harsh.
“The film critic’s scathing review made him a notorious procritic in the industry.”
2. adjective
Given to or characterized by excessive criticism, often to the point of being unreasonably harsh.
“The procritic tone of the reviewer’s article left a bad impression on readers.”