Antonyms for the phrase "yet be decided" can include words and phrases such as "determined," "agreed upon," "final," "concluded," and "settled." These words and phrases indicate that a decision has already been made, contrasting with the uncertainty of the original phrase. Other antonyms could be "clear," "obvious," "definite," "conclusive," or "resolved." Using these antonyms can provide a sense of confidence and certainty in communicating decisions or plans, particularly in professional or formal settings. By using language that conveys decisiveness, individuals can project authority and competence, inspiring trust and assurance in those around them.