Dictionary.com

unbiased

[ uhn-bahy-uhst ]
/ ʌnˈbaɪ əst /
Save This Word!

adjective
not biased or prejudiced; fair; impartial.
QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as…
Also especially British, un·bi·assed .

Origin of unbiased

First recorded in 1600–10; un-1 + biased

OTHER WORDS FROM unbiased

un·bi·ased·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use unbiased in a sentence

British Dictionary definitions for unbiased

unbiased

unbiassed

/ (ʌnˈbaɪəst) /

adjective
having no bias or prejudice; fair or impartial
statistics
  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 of unbiased

unbiasedly or unbiassedly, adverbunbiasedness or 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
FEEDBACK