1. a device used to put out fires, especially one containing chemicals or water under pressure
2. a person or thing that extinguishes or puts an end to something
Usage: formal

Examples

• The fire extinguisher was mounted on the wall near the exit.
• She grabbed the extinguisher and sprayed foam on the burning pan.
• Every office building must have extinguishers on each floor.
• The security guard checked that all extinguishers were properly charged.
• He was known as an extinguisher of hope among his pessimistic colleagues.
• The new policy acted as an extinguisher of creative freedom.