The word "smallmindednesses" cannot have a direct antonym as it is already a negative term that describes a lack of mental flexibility, tolerance, and open-mindedness. However, antonyms for some of its components can be used to describe positive traits. For example, antonyms for "small" may include "large," "big," or "spacious," which can convey openness and generosity of thought. While antonyms for "mindednesses" could include traits such as "open-mindedness," "broad-mindedness," and "tolerance," which suggest a willingness to entertain diverse perspectives and ideas. In summary, there is no direct antonym for "smallmindednesses," but choosing opposing terms for its parts can help to describe alternative attitudes and qualities.