1. Not capable of being changed or altered
   - unalterable

See also: final, incurable, last

• pin grass
• pin money
• PIN number
• pin oak
• pin table
• pin tumbler
• pin wrench
• pin-tailed duck
• pin-tailed grouse
• pin-tailed sandgrouse
• pin-up
• pina cloth
• pina colada
• Pinaceae
• pinafore
• pinata
• Pinatubo
• pinball
• pinball game
• pinball machine
• pince-nez
• pincer
• pinch
• pinch bar
• pinch hitter