Being noncommittal is characterized by indecisiveness and vagueness, which often leads to ambiguity and confusion. One antonym for being noncommittal is being unequivocal, which means expressing oneself clearly and unambiguously. Another antonym is being assertive, which suggests confidence and decisiveness in decision-making. Additionally, being decisive can be seen as an antonym for being noncommittal because it involves making firm decisions and sticking to them. Being forthright, frank, and forthcoming are also antonyms as they denote honesty and openness in communication, allowing one to express their thoughts and feelings without reservation. Overall, antonyms for being noncommittal convey the importance of clear and confident communication.