pseudoscience

noun

pseu·​do·​sci·​ence ˌsü-dō-ˈsī-ən(t)s 

: a system of theories, assumptions, and methods erroneously regarded as scientific

pseudoscientific

ˌsü-dō-ˌsī-ən-ˈti-fik 

adjective

pseudoscientist

ˌsü-dō-ˈsī-ən-tist 

noun

Examples of pseudoscience in a Sentence

Recent Examples on the Web

Schwarcz, who holds a doctorate in chemistry and has spent decades monitoring pseudoscience and the alternative medicine industry, said the promotion of disproven treatments by physicians can put patients’ health and lives at risk. — Phoebe Quinton, AJC.com, 1 June 2026

This is what keeps experienced pseudoscience debunkers on their toes. — Business Columnist, Los Angeles Times, 21 May 2026

Their writings didn't always reference the pseudoscience and conspiracy theories found in obscure online hate spaces. — Brittney Melton, NPR, 20 May 2026

The most brutal work is a measurement of her head and its angles, based on the pseudoscience of phrenology and racial classification. — Pablo Larios, Artforum, 6 May 2026

Word History

First Known Use

1796, in the meaning defined above

Rhymes for pseudoscience

• appliance
• compliance
• defiance
• reliance
• geoscience
• neuroscience
• noncompliance
• science

Medical Definition

pseudoscience

noun

pseu·​do·​sci·​ence ˌsüd-ō-ˈsī-ən(t)s 

: a system of theories, assumptions, and methods erroneously regarded as scientific

pseudoscientific

-ˌsī-ən-ˈtif-ik 

adjective