carved in stone

• Expresión idiomática que significa que algo es fijo, permanente e inmutable, que no puede ser cambiado o revisado.

An idiomatic expression meaning that something is fixed, permanent, and cannot be changed or altered.

1. Unchangeable or permanentB2informal

   Something that is fixed and cannot be changed or altered.

   grabado en piedra

   • The deadline is not carved in stone; we can negotiate.
   • His decision is carved in stone, so don't try to change his mind.
   • These rules are carved in stone and must be followed.