To influence someone or something unfairly, often in a way that is considered prejudiced. The judge was accused of biasing the jury with his comments.
To cause a systematic deviation from a true value or result in a statistical or scientific context. The researcher was careful not to bias the results by using a double-blind study.
To apply a steady voltage or current to (an electronic device) so that it operates in a desired region. Technicians bias the transistor before measuring its gain.