Definition of "know-nothingism" []

• The doctrines, principles, or practices, of the Know-nothings. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "Republicans have a romance with knowing nothing as long as one seriously believes in their know-nothingism."
• "You may despair that the rationality required to face up to reality will never overcome the fundamentalism, know-nothingism and magic thinking that has a hammerlock on our national psyche."
• "This is the kind of know-nothingism that undermines public support for vaccination altogether and leads to such public health milestones as California reporting in 2010 the highest number of whooping cough cases in 55 years."