The phrase "be on tail" means to follow someone closely or closely monitor their actions. Antonyms for this phrase could include "lead the way" or "stay ahead." Leading the way would indicate that someone is taking charge of a situation, being proactive, or taking the lead in decision-making. Staying ahead suggests that someone is already ahead of others and does not require further monitoring or surveillance. Other antonyms for "be on tail" could include "ignore," "disregard," or "let go," indicating that someone is not being watched or monitored at all. Overall, antonyms for "be on tail" tend to involve independence or autonomy rather than close monitoring or supervision.