Re-hashed refers to something that has been repeated or reused without any significant changes or improvements. Its antonyms would include original, innovative, fresh, creative, and novel. These words describe something that is new and adds value to the existing narrative, process, or idea. When something is considered original, it means it has not been seen or heard before, and it brings a fresh perspective to the situation. Similarly, innovation refers to the act of introducing something new that improves an existing circumstance. Overall, the antonyms for re-hashed all denote a positive and dynamic approach to things by providing fresh ideas, perspectives, and solutions.