"Blanket rejection" refers to a complete and overall refusal to accept or consider something. It means rejecting everything without any exceptions or individual assessment. Full definition
His literal interpretation of Benjamin's statement that authentic art has its basis in ritual leads him to a somewhat naïve blanket rejection of theater (which he calls «a ritual of antiquity»); he also explicitly distances himself from performance art. (nytimes.com)
I originally tried to go traditional with my work, queried over one - hundred agents, and received blanket rejections (including no replies). (blog.reedsy.com)
In fact, Grillo's party, founded only in 2009, focused less on euroskepticism than on a blanket rejection of the established Italian political elite and its way of doing politics. (news-to-use.com)