1. to put out a fire or light
2. to cause something to end completely; to destroy or eliminate

Examples

• The firefighters worked quickly to extinguish the blaze.
• Please extinguish all cigarettes before entering the building.
• She extinguished the candles before leaving the room.
• The new law helped extinguish corruption in the government.
• Nothing could extinguish his enthusiasm for the project.
• The rain extinguished our campfire completely.
• Education can help extinguish prejudice and ignorance.