denialism

American  

[dih-nahy-uh-lizuhm] / dɪˈnaɪ əˌlɪzəm /

noun

1. to refuse to accept the existence, truth, or validity of something despite evidence or reasonable support for it.

   Her cynical embrace of election denialism was part of her campaign strategy rather than a reflection of sincerely held concern for ballot security.

---

Usage

See denier ¹ ( def. ).

Etymology

Origin of denialism

First recorded in 1870–75; denial ( def. ) + -ism ( def. )

Example Sentences

And at its most abhorrent, “Riefenstahl” reveals a pernicious denialism too significant to ignore.

From Los Angeles Times • Sep. 12, 2025

I must have seen the same ProPublica report about the company’s aggressive claim denialism 10 times that day.

From Slate • May 14, 2025

Choosing to fight would require someone to change their lifestyle and make potentially challenging sacrifices, so it may be psychologically advantageous, in the short term, to "flee" by choosing climate denialism, Brosch said.

From Salon • Apr. 17, 2025

I’ll get to that in a moment, but first it’s worth looking at the forms this denialism takes.

From Seattle Times • Mar. 7, 2024

"Right now, with denialism sadly on the rise, uncovering the whole truth is more important than ever."

From Reuters • Sep. 30, 2023