Antonyms for the word "fairminded" are biased, prejudiced, partial, bigoted, unfair, unjust, and discriminatory. These words describe an individual who lacks the ability to judge situations neutrally and objectively, and instead, prefers to have a pre-conceived notion of the outcome. Someone who is biased may have an ingrained dislike towards certain individuals or groups, clouding their judgment and leading them to make unfair decisions. On the other hand, those who are fair-minded have an open-mind about different perspectives and do not let their emotions cloud their decision-making abilities. In today's divisive world, it is essential to remain impartial and view situations objectively, and being fair-minded plays a critical role in achieving this.