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denier

B1
Uncommon

Pronunciation

UK

    US

      Meanings

      Noun

      1. a person who rejects or refuses to accept something, especially an established fact

      2. a unit used to measure the thickness or linear density of fibers and yarn

      Beyond the definition

      A denier isn't just someone who disagrees—it's someone who refuses to accept something as true, even when there is strong evidence. Think of a detective story where the villain insists they are innocent even when confronted with fingerprints and eyewitness accounts. While everyone is entitled to an opinion, calling someone a denier suggests they are shutting their eyes to facts. The term is common in public debates, like "climate change denier," and it can also describe denial of historical events, such as the Holocaust. It's more than skepticism; it's a stubborn refusal to accept what the evidence points to.

      "Denier" has another, very different meaning in clothing and textiles: it can be a number used to describe how thick a thread is, as in "20-denier tights." Lower numbers are usually thinner and more see-through.

      Examples

      1. 1

        Climate change

        The documentary interviews several climate change deniers.

      2. 2

        Public health

        No one wants a vaccine denier running a public health campaign.

        • PatternX denier

          someone who rejects an accepted fact or reality

      3. 3

        Formal writing

        In a formal essay, he was described as a denier of basic human rights.

        • Patterna denier of + thing

          a more formal pattern

      4. 4

        Clothing thickness

        These tights are 40 denier, so they look fairly sheer.

        • Domain

          in clothing, denier is a measure of how thick the thread is

      See also

      Similar

      Shades of meaning

      Contrast

      Do not confuse

      • denier textile unit

      Used with (collocations)

      • climate change denier
      • Holocaust denier
      • science denier

      Word family

      Explore

      • denialism
      • conspiracy theory

      Forms and spellings

      2 forms open this card.

      Main spelling

      • deniernoun

      Forms

      • denierspluralnoun