- a pitched ball that the catcher misses and could not be expected to catch, resulting in a base runner's or runners' advancing one or more bases or the batter's reaching first base safely.
Origin of wild pitch
A careless statement or action, as in Calling comic books great literature—that's a wild pitch. This term comes from baseball, where it signifies a pitched ball so far off target that the catcher misses it, enabling a base runner to advance. [Mid-1900s]