The antonyms for the phrase "does again" can be different based on the context. If it's about repeating an action or behavior that caused harm, the antonyms could be "corrects," "improves," "rectifies," "repairs," "amends," or "fixes." On the other hand, if it's about doing something for the first time instead of again, the antonyms could be "avoids," "decides against," "cancels," "postpones," "skips," "eliminates," or "dismisses." In any case, the antonyms of "does again" imply a different action or a change in behavior compared to repeating the same mistake or error.