Denialist Definition

denialists
noun
(derogatory) One who denies an assertion in a controversial debate.
Wiktionary
adjective
Relating to denial in a controversial debate.
Wiktionary

Other Word Forms of Denialist

Noun

Singular:
denialist
Plural:
denialists

Origin of Denialist

  • denial +‎ -ist

    From Wiktionary