1. people whose job is to find and remove ghosts or deal with supernatural phenomena
Usage: informal; often used in plural or as a collective noun; popularized by the 1984 film of the same name
2. any person or group that confronts or eliminates something unwanted or troublesome
Usage: informal; figurative use

Examples

• The ghostbusters arrived at the haunted mansion with their equipment.
• She called the local ghostbusters when strange noises started in her attic.
• The team of ghostbusters investigated reports of paranormal activity.
• In the movie, the ghostbusters use special technology to catch ghosts.
• The company hired ghostbusters to solve their software problems.