Replica refers to an exact copy or duplicate of an object. Conversely, antonyms for replica include original, distinctive, unique, and one-of-a-kind. The term original is used when referring to something that is the first of its kind and not copied from any other entity. On the other hand, distinctive refers to an object that is set apart from all others by its unusual or remarkable qualities. Unique denotes something that is singular, not hapless, and unparalleled. One-of-a-kind refers to something that is entirely original and not found anywhere else. While the word "replica" implies a perfect match, its antonyms add a hint of originality and exceptionalism to its definition.