Antonyms for "goofs up" include "succeeds," "nails it," "performs flawlessly," "executes perfectly," "hits the mark," "gets it right," "accomplishes the task," "achieves the goal," "flawless execution," and "performs faultlessly." These words describe actions that are successful and without error or mishap. Instead of making mistakes or failing, these antonyms suggest that the action was completed with precision and accuracy, resulting in a positive outcome. Using antonyms for "goofs up" can help to emphasize successful actions and the ability to achieve goals without missteps or errors.