denialism

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UK/dɪˈnaɪ(j)əlɪzəm/

noun

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.

“climate denialism; vaccine denialism; Holocaust denialism”

Scrabble 12

Meanings

noundenialism (usually uncountable, plural denialisms)

plural denialisms

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

    climate denialism; vaccine denialism; Holocaust denialism

    3 more examples

    At this point Rudd confronts a new denialism. Just as John Howard was wrong to deny the confessional value of the apology, many Laborites are wrong to deny the abject failures of past generation policies.

    2008 February 16, Paul Kelly, The Australian

    Denialism is an expansion, an intensification, of denial. At root, denial and denialism are simply a subset of the many ways humans have developed to use language to deceive others and themselves. Denial can be as simple as refusing to accept that someone else is speaking truthfully.

    2018 August 3, Keith Kahn-Harris, “Denialism: what drives people to reject the truth”, in The Guardian, →ISSN

    In other words, the pattern of resistance to the coronavirus vaccines looks less like COVID-19 vaccine hesitancy and more like COVID-19 denialism.

    2021 April 27, David A. Graham, “It’s Not Vaccine Hesitancy. It’s COVID-19 Denialism.”, in The Atlantic

    Synonyms: negationism

Synonyms & antonyms

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

Also see

Origin

  1. Englishdeny
  2. Proto-Indo-European*h₂el-
  3. Proto-Indo-European*h₂élisder.?
  4. Englishdenial
  5. Englishdenialism

From denial + -ism.

Full word history & related roots →

Translations

Chinese Mandarin 否認論 /否认论
  • 否認論 /否认论position of those who reject propositions that are strongly supported by scientific or historical evidence
Dutch negationisme
  • negationismeposition of those who reject propositions that are strongly supported by scientific or historical evidence
Finnish denialismi, kiistäminen
  • denialismiposition of those who reject propositions that are strongly supported by scientific or historical evidence
  • kiistäminenposition of those who reject propositions that are strongly supported by scientific or historical evidence
French négationnisme, dénialisme
  • négationnismeposition of those who reject propositions that are strongly supported by scientific or historical evidence
  • dénialismeposition of those who reject propositions that are strongly supported by scientific or historical evidence
German Leugnung, Verleugnung
  • Leugnungposition of those who reject propositions that are strongly supported by scientific or historical evidence
  • Verleugnungposition of those who reject propositions that are strongly supported by scientific or historical evidence
Italian negazionismo
  • negazionismoposition of those who reject propositions that are strongly supported by scientific or historical evidence
Polish negatywizm
  • negatywizmposition of those who reject propositions that are strongly supported by scientific or historical evidence
Portuguese negacionismo
  • negacionismoposition of those who reject propositions that are strongly supported by scientific or historical evidence
Slovak popieračstvo, poprenie
  • popieračstvoposition of those who reject propositions that are strongly supported by scientific or historical evidence
  • poprenieposition of those who reject propositions that are strongly supported by scientific or historical evidence
  • popieranieposition of those who reject propositions that are strongly supported by scientific or historical evidence
Spanish negacionismo
  • negacionismoposition of those who reject propositions that are strongly supported by scientific or historical evidence
Cite this entry
APA

denialism. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/denialism

MLA

“denialism.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/denialism. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “denialism,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/denialism.

Source: denialism on Wiktionary, CC BY-SA 4.0.