The phrase "stay on path" implies the act of staying on course or remaining focused on a particular objective. Antonyms for this phrase could include words such as deviate, wander, stray, or veer off course. These words suggest a departure from the intended course or objective, indicating a lack of focus or direction. Other antonyms might include words such as stumble, falter, or lose your way, which suggest a lack of confidence or directionlessness. Ultimately, the antonyms for "stay on path" represent a departure from a desired outcome, whether through a lack of determination, focus, or sense of direction.