b: an inclination of temperament or outlook; especially: a personal and sometimes unreasoned judgment :prejudice
c: an instance of such prejudice
d (1): deviation of the expected value of a statistical estimate from the quantity it estimates (2): systematic error introduced into sampling or testing by selecting or encouraging one outcome or answer over others
a: a voltage applied to a device (as a transistor control electrode) to establish a reference level for operation
b: a high-frequency voltage combined with an audio signal to reduce distortion in tape recording
: to have a strong and often unfair influence on (someone or something)
Full Definition of BIAS
: to give a settled and often prejudiced outlook to <his background biases him against foreigners>
: to apply a slight negative or positive voltage to (as a transistor)
Examples of BIAS
I don't want to bias you against the movie, but I thought the book was much better.
The circumstances could bias the results of the survey.
Unfortunately, his convictions are not clearly and logically developed; they mostly lurk in the background biasing his reporting. He does not always give the reader a fair chance to follow the arguments of the actors—even those with whom he ardently agrees. —Leonard Silk, New York Times Book Review24 Feb. 1980