Being steadfast refers to being committed and unwavering in one's beliefs, values, or actions. The opposite of being steadfast can be described as being wishy-washy, indecisive, or uncertain. Some antonyms of being steadfast include uncommitted, fickle, wavering, vacillating, and inconsistent. These traits suggest a lack of conviction and a tendency to change one's mind, causing instability in one's actions and decisions. Being steadfast is often seen as a desirable trait, particularly in professional or personal relationships where reliability and commitment are valued. Ultimately, the opposite of being steadfast can lead to uncertainty, lack of trust, and lack of progress in one's endeavors.