know-nothingism

noun know-noth·ing·ism \ ˈnō-ˌnə-thiŋ-ˌi-zəm \

Definition of know-nothingism

1 capitalized K&N :the principles and policies of the Know-Nothings
2 :the condition of knowing nothing or desiring to know nothing or the conviction that nothing can be known with certainty especially in religion or morality
3 often capitalized K&N :a mid-20th century political attitude characterized by anti-intellectualism, exaggerated patriotism, and fear of foreign subversive influences

First Known Use of know-nothingism

1854


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