The phrase "stays course" means to follow a specific direction or plan consistently. Some antonyms for this phrase include veering off course, deviating from the path, straying from the plan, and losing direction. If someone "veers off course," they are going in a different direction than what was originally intended. By "deviating from the path," a person is choosing to take a different route or approach than what was previously established. "Straying from the plan" means that someone is not following the agreed-upon steps or guidelines. Finally, "losing direction" means that someone has lost sight of their original goal, purpose, or plan.