scientism noun3 •The belief that the scientific method and the assumptions and research methods of the physical sciences are applicable to all other disciplines (such as the humanities and social sciences), or that those other disciplines are not as valuable.It was the age of the New Atheists and aggressive scientism. — 2026 •The belief that all truth is exclusively discovered through science. •(rare) A pseudoscience.The line is straight out of eugenics, the deeply dishonest scientism that in the early 20th century convinced many people that criminality, poverty and a host of other ills were all inherited. — 2024 formsscientisms