Bias is an inclination or prejudice for or against something or someone. There are several synonyms for the word bias, such as partiality, preconception, predisposition, favoritism, discrimination, and preference. Partiality is a tendency to favor one over the other, while preconception is a preconceived notion or idea. Predisposition is a tendency or inclination towards something, and favoritism is a preference for someone or something. Discrimination is the act of showing unfair treatment towards someone due to their race or gender, and preference is a personal liking or taste towards something. Regardless of the word used, bias can lead to unfair decisions and should be avoided.