The antonyms for the word "unfairnesses" are fairness, equity, justice, impartiality, objectivity, even-handedness, honesty, and righteousness. These words refer to the opposite of unfairness, which means treating someone or something unjustly or without proper consideration for their needs or rights. Fairness, on the other hand, denotes treating people with equal respect and consideration regardless of their race, religion, gender, or other factors that could influence the treatment they receive. It is important to promote fairness in every aspect of life, including education, employment, law enforcement, and politics, to ensure that everyone has an equal opportunity to succeed and thrive.