be set in stone

Examples (10)

• These rules are not set in stone.
• His decision isn't set in stone yet; there's still room for negotiation.
• Nothing is set in stone until the contract is signed.
• The project timeline isn't set in stone, so we can adjust it if needed.
• They thought their plans were set in stone, but unforeseen events changed everything.
• While the budget is tight, it's not entirely set in stone.
• Is the meeting agenda set in stone, or can we add more topics?
• The initial design wasn't set in stone, allowing for client feedback.
• Don't worry, the schedule isn't set in stone; we can be flexible.
• For centuries, these customs were set in stone and rarely questioned.