Deactivates is a term that is commonly used in the technology and security fields to describe the process of turning off or disabling a device or system. Synonyms for deactivates include disengages, destabilizes, neutralizes, turns off, disconnects, shuts down, and de-energizes. These terms all refer to the act of stopping or disabling a device or system to prevent it from functioning or operating as usual. Whether it's a security system, a computer, or a piece of machinery, deactivating it effectively disables its ability to function, making it an essential part of maintaining safety and security within a variety of industries and settings.