Try Our Apps


90s Slang You Should Know


[uhn-bahy-uh st] /ʌnˈbaɪ əst/
not biased or prejudiced; fair; impartial.
Also, especially British, unbiassed.
Origin of unbiased
First recorded in 1600-10; un-1 + biased
Related forms
unbiasedly, adverb
fair, equitable, tolerant, neutral. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for unbiased
Contemporary Examples
Historical Examples
  • Altogether he was charmed, whether considering her as with the eyes of an unbiased stranger or with his own.

    Helen Maria Edgeworth
  • See the set lips of the 'unbiased twelve' as they retire for consideration of their verdict!

    Oswald Langdon Carson Jay Lee
  • What man, sincere and unbiased in his opinions, could repeat to-day the famous credo quia absurdum?

  • What was more, I wanted an honest man who would form an unbiased opinion.

    The Long Portage Harold Bindloss
  • It was the unbiased opinion of several wool-dealers present, that the shearing above would yield at least 35 lbs.

    Domestic Animals Richard L. Allen
British Dictionary definitions for unbiased


having no bias or prejudice; fair or impartial
  1. (of a sample) not affected by any extraneous factors, conflated variables, or selectivity which influence its distribution; random
  2. (of an estimator) having an expected value equal to the parameter being estimated; having zero bias
  3. Also called discriminatory. (of a significance test). Having a power greater than the predetermined significance level
Derived Forms
unbiasedly, unbiassedly, adverb
unbiasedness, unbiassedness, noun
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
Cite This Source
Word Origin and History for unbiased

c.1600, literal, in reference to throws at bowls, from un- (1) "not" + biased. Figurative sense of "impartial, unprejudiced" is recorded from 1640s.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for unbiased

Few English speakers likely know this word

Word Value for unbiased

Scrabble Words With Friends

Nearby words for unbiased