Dictionary.com
Thesaurus.com
Synonyms

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

Philosophy has always had to defend itself against the charge that it is empty verbiage, unscientific speculation.

From The Wall Street Journal • Nov. 18, 2025

Kim said on Thursday the accident was caused by "absolute carelessness, irresponsibility and unscientific empiricism".

From BBC • May 24, 2025

I have tried it already, in an unscientific way, by asking around among my friends.

From "The Lives of a Cell" by Lewis Thomas