pseudoscience

noun

pseu·​do·​sci·​ence ˌsü-dō-ˈsī-ən(t)s How to pronounce pseudoscience (audio)
: a system of theories, assumptions, and methods erroneously regarded as scientific
pseudoscientific adjective
pseudoscientist noun

Examples of pseudoscience in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The door for misinformation and marketing ploys, pseudoscience, and snake oils is basically left wide open. Sophia Panych, Allure, 16 Sep. 2025 Citizens, environmental groups and tribal stakeholders are demoralized by this and the prioritization of industrial logging, embrace of pseudoscience, non-transparency, poor responsiveness to public and expert comments, and meetings held while stakeholders are at work. John P. O’Brien, Mercury News, 13 Sep. 2025 There were sure to be some who objected to Oz and his embrace of pseudoscience. Kimberly Ross, The Washington Examiner, 12 Sep. 2025 With astronomy firmly established as a science, astrology was relegated to the realm of the occult or pseudoscience. Christopher P. Scheitle, The Conversation, 5 Sep. 2025 See All Example Sentences for pseudoscience

Word History

First Known Use

1796, in the meaning defined above

Time Traveler
The first known use of pseudoscience was in 1796

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Cite this Entry

“Pseudoscience.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pseudoscience. Accessed 18 Sep. 2025.

Medical Definition

pseudoscience

noun
pseu·​do·​sci·​ence ˌsüd-ō-ˈsī-ən(t)s How to pronounce pseudoscience (audio)
: a system of theories, assumptions, and methods erroneously regarded as scientific
pseudoscientific adjective
Last Updated: - Updated example sentences
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