1. impossible to put out or destroy
2. unable to be suppressed or ended
Usage: often used figuratively

Examples

• The inextinguishable fire burned for days despite the firefighters’ efforts.
• She had an inextinguishable passion for music that drove her to practice daily.
• The Olympic flame represents an inextinguishable spirit of competition.
• His inextinguishable optimism helped the team through difficult times.
• The inextinguishable light in the lighthouse guided ships safely to shore.
• Their inextinguishable love survived decades of separation.
• The protesters showed an inextinguishable determination to fight for their rights.