The concept of "over-balanced" refers to a situation where an individual or group has too much emphasis on a particular viewpoint or aspect, resulting in an unbalanced approach. The antonyms for over-balanced might include balanced, unbiased, fair, objective, equitable, proportionate, just, equal, neutral, or even-handed. These words describe a state where judgment and actions are made based on a well-rounded consideration of all necessary factors, rather than being swayed by a specific interest or prejudice. In a balanced state, individuals or groups can see things in a clearer light and make better, more informed decisions.