The word "wast biased" does not exist in the English language, so there are no antonyms for it. However, if we assume that you meant "was biased," then the antonyms for this phrase could include objective, fair, impartial, unbiased, neutral, and balanced. Biased means having a preference for one side, opinion, or point of view, which can lead to unfair treatment or judgment. Therefore, antonyms for this word refer to a lack of bias or a balanced and equal perspective. It is important to strive for an objective and unbiased approach in all aspects of life.