The antonyms for the phrase "twisted one arm" can include "unbent," "unbroken," "uninjured," "straightened," "untwisted," and "untangled." These words suggest the opposite meaning of the phrase, which implies a physical injury or deformity. By utilizing antonyms, we can effectively communicate a situation or event that requires precision in language selection. These simple yet powerful words aid in creating vivid descriptions that allow readers to immerse themselves in the written context. It is important that writers use antonyms to convey the intended meaning effectively, leaving no room for misinterpretation.