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unscientific

American  
[uhn-sahy-uhn-tif-ik] / ˌʌn saɪ ənˈtɪf ɪk /

adjective

  1. not scientific; not employed in science.

    an unscientific measuring device.

  2. not conforming to the principles or methods of science.

    an unscientific approach to a problem.

  3. not demonstrating scientific knowledge or scientific methods.

    an unscientific report.


unscientific British  
/ ˌʌnsaɪənˈtɪfɪk /

adjective

  1. not consistent with the methods or principles of science, esp lacking objectivity

  2. ignorant of science

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • unscientifically adverb

Etymology

Origin of unscientific

First recorded in 1765–75; un- 1 + scientific

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“We should not spend over $150 million of public funds to reduce baseless, unscientific, unrealistic concerns about service tunnel noise from a very deep tunnel,” said Thomas Smith, a longtime Angeleno.

From Los Angeles Times • Mar. 26, 2026

The recycler temporarily suspended operations at its plant but slammed the PNRI's conclusions as "baseless and unscientific", arguing multiple companies had supplied zinc dust to Zannwann.

From Barron's • Jan. 14, 2026

Mr. Pinker ignores that, describing the evidence as “anecdotes” and my unscientific “reports.”

From The Wall Street Journal • Oct. 31, 2025

Kim earlier said Wednesday's incident was caused by "absolute carelessness, irresponsibility and unscientific empiricism".

From BBC • May 25, 2025

He was scrupulous about the use of his title because, his investigations being so utterly unscientific, he hoped to borrow an air of respectability, even scholarly authority, from his education.

From "The Haunting of Hill House" by Shirley Jackson