Meaning: Used to describe something that cannot be changed, usually referring to future plans.
Examples:
“When are you getting married?” “April 1st – but it’s not set in stone yet.”
He likes to keep his options open – with him, nothing’s ever set in stone.
Sorry, I can’t change my vacation dates. They’re set in stone.
Pop Quiz:
Your teacher says, “Our spring break is April 6th to the 10th. That’s set in stone.” What does she mean?
A. Maybe spring break is April 6-10.
B. Spring break is definitely April 6-10.
C. You can take spring break sometime around April 6-10.
To see the correct answer, click on “Continue reading”:
The correct answer is B. If things are set in stone, they’re permanent, they’re definite, they’re not going to change.
In my experience, this idiom is more often used in the negative, i.e., something is NOT set in stone, and therefore can be changed if needed.
Good point. You must be an English teacher!
Also, when bargaining for a cheaper price you can ask if the price is set in stone.