In-lay is a word that refers to the process of setting pieces of material into a surface, such as a piece of wood or stone. Some antonyms for the word in-lay might include "outlay," which refers to spending money, or "remove," which means to take something away from a surface rather than adding it to it. Another antonym might be "extraction," which refers to the process of pulling something out of something else. Other antonyms for in-lay could include "disengage," "dislodge," "detach," or "uninstall." Each of these words represents a different action or process, and each is the opposite of the action or process of in-lay.