"Therer" is not a word recognized by the English language. However, if you meant "there," which means a place or location, its antonym would be "here," meaning the present or current location. Another antonym for "there" could be "nowhere," which means no location or absence of a place. Additionally, "far" can also be an antonym of "there" because it denotes a distance away from the location. Finally, "this" could also be an antonym of "there" because it refers to a specific object or location in the current position.