Re-hashed refers to reusing or repeating something that has already been said or done. The antonyms for this word could be "original," "fresh," "innovative," "creative," "unique," or "novel." These words indicate a new and unique approach. When something is original, it is the first of its kind, and when something is fresh, it implies that it's new and hasn't been done before. Innovative shows that something is groundbreaking and revolutionary, while creative means that it brings a new perspective or approach. The word unique indicates that something is one of a kind, and novel means that it's new and exciting. All of these words oppose the idea of re-hashing, and they indicate something new, exciting, and innovative.