1. No longer changeable
   "the agreement is not yet set in stone"
   - carved in stone

See also: unchangeable

• self-mortification
• self-moving
• self-opinionated
• self-organisation
• self-organization
• self-perpetuating
• self-pity
• self-pitying
• self-pollinated
• self-pollinating
• self-pollination
• self-portrait
• self-possessed
• self-possession
• self-praise
• self-preservation
• self-pride
• self-proclaimed
• self-produced
• self-propelled
• self-propelled vehicle
• self-propelling
• self-protection
• self-punishment
• self-raising flour