The term "most honed" suggests a high level of sharpening or refinement. Therefore, antonyms for this term would be words that indicate a lack of refinement or sharpness. Some antonyms for "most honed" could include "unsharpened," "blunt," "dull," "unrefined," "rough," or "crude." These words might be used to describe tools or skills that have not yet been perfected or require more work to become more precise. Conversely, words that could be considered synonyms for "most honed" could include "polished," "perfected," "refined," "sharp," "accurate," or "precise.