The antonyms for the word "re-hired" are plentiful and varied, depending on the context in which the word is used. Some possible antonyms for "re-hired" include fired, terminated, discharged, dismissed, let go, and laid off. These words all imply a negative outcome for the employee and indicate that they won't be returning to their previous job. However, there are also positive antonyms for "re-hired," such as promoted, elevated, advanced, or hired for a new position. These words suggest that the employee was given a new opportunity or moved up in the company, rather than being let go.