The word "Unroot" means to remove or uproot something from its original position. The antonyms for this word are "plant," "root," or "establish." If you unroot a tree, you can plant it again in some other suitable location. Similarly, if you unroot an idea or a tradition, you can establish a new one in its place. In other words, the opposite of unrooting something is to make it stable and permanent. Therefore, it is essential to use these antonyms appropriately in a context, so the meaning and the intended message are conveyed accurately.