The word "re does" is not a commonly used term in the English language. However, it can be split into two separate words, "re" and "does", which each have antonyms.
The antonym of "re" would be "un" or "dis", meaning to undo or reverse an action.
The antonym of "does" would be "undo" or "fail to do", which means not to take action or to not accomplish anything.
When used in a sentence, the opposite of "re does" would depend on the context and the intended meaning. However, by looking at the antonyms of each individual word, one can infer that the opposite of "re does" would be to not reverse or undo an action and to not accomplish anything as a result.