Antonyms for the word "most wonderworking" include ordinary, simple, plain, mundane, average, regular, commonplace, familiar, and undistinguished. These words are used to describe things that are not extraordinary or out of the ordinary. While "most wonderworking" implies that something is highly impressive or amazing, its antonyms suggest the opposite - something that is quite normal or unremarkable. Whether used in everyday conversations or in written texts, these antonyms can help to convey the exact opposite of the original word and aid in the expression of a complete range of emotions and ideas.