What does "denialism" mean?

The practice of rejecting propositions which are strongly supported by scientific or historical evidence, and often of seeking to influence policy processes and outcomes accordingly.

What is a synonym for "denialism"?

Common synonyms include: negationism, negationism.

How do you pronounce "denialism"?

Pronounced //dɪˈnaɪ(j)əlɪzəm//.

Denialism

//dɪˈnaɪ(j)əlɪzəm// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
The practice of rejecting propositions which are strongly supported by scientific or historical evidence, and often of seeking to influence policy processes and outcomes accordingly. uncountable, usually
"climate denialism; vaccine denialism; Holocaust denialism"

Synonyms

All synonyms

negationism negationism

Example

More examples

"climate denialism; vaccine denialism; Holocaust denialism"

Etymology

From denial + -ism.

Related phrases

climate denialism

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.