1. a person or company whose job is to kill pests such as insects or rodents
2. a person or thing that destroys or eliminates something completely
Usage: figurative

Examples

• We called an exterminator to get rid of the termites in our house.
• The exterminator sprayed pesticide in the basement to eliminate the cockroaches.
• She hired a professional exterminator after discovering bed bugs in her apartment.
• The new software is an exterminator of computer viruses.
• He was known as the exterminator of corruption in the department.