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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Brazilian President Luiz Inácio Lula da Silva told the opening of the summit that the world must "defeat" climate denialism and fight fake news.

From BBC

The world must "defeat" climate denialism and fight fake news, Brazil's President Luiz Inácio Lula da Silva has told the opening meeting of the UN climate talks.

From BBC

The name comes from recent research showing 80 to 89 percent of people support stronger climate action, challenging the notion that climate denialism is widespread.

From Barron's

Unfortunately the 2026 midterms will not be the last election held under the shadow of election denialism.

From Salon

Climate denialism, on the other hand, is not.

From Salon