The antonyms for "in-stall" include "uninstall," "remove," "unfasten," "release," and "detach." These words all denote the opposite of "install," which means to set up, assemble or fix something in its proper place. Uninstalling or removing software, for example, involves deleting it from a computer or other device. Unfastening or releasing indicates taking something apart or loosening it from its position without causing harm to it or its surroundings. Detaching is a similar concept, which means to separate it from its anchor or to break its connection. These opposites are essential for comprehending the whole context and can help to clarify the meaning of the message.