There are several antonyms for the word "unjustest", including fair, just, equitable, impartial, and even-handed. The opposite of being unjust is to act in a way that is morally right and fair to all parties involved. A person who possesses these qualities is said to be fair-minded, impartial and unbiased in their decision-making. In today's world, where social justice and equality are key issues, it's essential to have a goal of promoting fairness in our daily lives. By treating everyone with respect and consideration, we can work towards creating a more just and equitable society where everyone has an equal chance to succeed.