simple past tense and past participle of bias
"The judge was biased by his previous knowledge of the defendant's reputation."
In plain English: To bias something is to unfairly influence it so that you get the result you want instead of letting things happen naturally.
"The judge was biased against him during the trial."
Exhibiting bias; prejudiced.
"The article was biased because it ignored all evidence that contradicted the author's opinion."
In plain English: Biased means having an unfair preference for something because of personal feelings rather than facts.
"The judge was accused of being biased against his former employer."
The word comes from the noun bias, which originally referred to a slant or inclination in woven fabric that caused it to stretch diagonally rather than straight across. This physical property of skewing was later applied metaphorically to describe opinions or decisions that are unfairly influenced by personal preference.