Noun
rejectionism (uncountable)
The political position of reflexively rejecting a policy or proposal.
The alleged refusal by Arabs to recognize the legitimacy of the national rights of the Jewish people.
A uniquely vile presidential campaign has been followed by a post-election rejectionism that conjures up images of 1860. Source: Internet
We should not let political unionism derail our efforts with negativity or rejectionism. Source: Internet