What is another word for mission impossible?
Pronunciation: [mˈɪʃən ɪmpˈɒsəbə͡l] (IPA) 
Mission impossible is a phrase that refers to a task that seems to have little or no chance of success. Some synonyms for this phrase include "Herculean task," "impossible feat," "unattainable goal," and "pipe dream." Other synonyms that convey the difficulty of the task include "unachievable mission," "unconquerable challenge," and "insurmountable hurdle." On a more humorous note, one could also use the phrase "trying to find a needle in a haystack," which conveys the idea that the task is not only difficult but also requires a great deal of luck to accomplish. Whatever synonym one chooses for mission impossible, it is clear that the task at hand is a daunting one.
