noun Prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair. (there was evidence of bias against foreign applicants) In some sports, such as lawn bowling, the irregular shape given to a ball. A steady voltage, magnetic field, or other factor applied to an electronic system or device to cause it to operate over a predetermined range.
verb Cause to feel or show inclination or prejudice for or against someone or something. (readers said the paper was biased toward the conservatives) Give a bias to. (bias the ball)