A paralyzer is a term used to describe a substance or a tool that renders the body or part of it temporarily immobile or incapacitated. Some popular synonyms for paralyzer include immobilizer, incapacitator, stun gun, electric shocker, taser, and numbing agent. These synonyms are commonly used in different situations where the use of force or restraint is required. For instance, a stun gun or taser can be used by law enforcement officers to apprehend criminals without necessarily using lethal force. Similarly, immobilizers and incapacitators are commonly used in medical settings when administering anesthesia to patients before surgery to prevent them from moving or feeling pain. Ultimately, these synonyms offer a range of alternatives to the word 'paralyzer,' and are useful in different contexts.