Hitting bull's-eye refers to achieving a target or goal with precise accuracy. The opposite or antonyms for hitting bull's-eye could be missing the mark, failing to achieve the desired outcome, or being off-target. Other antonyms could include being imprecise, inaccurate, or inconsistent. Sometimes, hitting bull's-eye can also imply gaining success, so the antonyms could include failure, disappointment, or setback. In essence, the term 'hitting bull's-eye' represents a positive outcome, whereas the antonyms are associated with negative outcomes or lacking precision. It is important to understand these opposite meanings to fully comprehend the significance of hitting bull's-eye or missing the mark in different situations.