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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

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.

See Examples For:

I’ve found a far higher error rate in my own unscientific testing.

From Slate Aug. 18, 2026

They characterize these authorities as an oppressive force, denying individuals the freedom to make their own choices, however unscientific, about healthcare.

From Salon May 1, 2026

“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 proposal was rejected out of hand by Japan, which called it unscientific and "excessive," backed by multiple countries including African nations who warned it would place undue administrative burdens on their authorities.

From Barron's Nov. 27, 2025

Other researchers distanced themselves, criticizing him for being unscientific, but much of white America embraced his ideas and saw him as a spiritual adviser and a genius.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

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