"haddest up" is not an established phrase in English language. Therefore, antonyms for this phrase cannot be determined. However, the phrase "had up" means to bring someone before a court or tribunal for trial or accusation. The antonyms for "had up" can include releasing, acquitting, or dismissing, which means the person or issue in question is not guilty or innocent. Alternatively, if the phrase is considered to mean agitated or upset, then the antonyms for this may include calm, relaxed, peaceful, or composed. Overall, the antonyms of any word depend on the context and true meaning of the word or phrase.