The antonyms for the word "weakmindednesses" include strength of mind, mental fortitude, resilience, determination, and tenacity. These attributes represent the opposite of weak-mindedness, which is often characterized by a lack of confidence and an inability to withstand challenges. Those who possess mental strength are capable of overcoming difficult situations, staying focused on their goals, and adapting to change. They are not easily swayed by external factors and are able to make informed decisions based on a sound judgment. In contrast, weak-minded individuals are often indecisive, prone to self-doubt, and easily influenced by others. By cultivating mental strength and resilience, people can overcome their weak-mindedness and lead a fulfilling life.