Cunning and do are two words that do not have direct antonyms. However, if we break down the meaning of each word, we can find some opposite concepts. Cunning means being skillful at achieving one's aims by deceit or evasion, so the opposite of cunning can be straightforwardness, honesty, or transparency. Do refers to an action or task that needs to be accomplished, so the opposite of do could be neglect or ignore. Therefore, we can combine these opposite concepts to create antonyms for "cunning do," such as honest neglect, transparent ignorance, or straightforward inactivity.