The antonyms for "wracking up" depend on the context in which the term is used. "Wracking up" usually refers to accumulating or gathering something, such as points, money, or debt. Therefore, the antonyms of "wracking up" might include words like saving, reducing, or minimizing. For instance, if someone is "wracking up debt," they could start "reducing debt" by paying off their loans and expenses. On the other hand, if "wracking up points" can be replaced with "minimizing losses" or "avoiding mistakes." Overall, the antonyms of "wracking up" are related to terminating or preventing the accumulation of undesirable outcomes.