be set in concrete

if an arrangement, a plan or a rule is set in concrete, it is completely fixed so that it cannot be changed (usually negative) We've drawn up some rough guidelines - they're by no means set in concrete.

Common Names:

Name	Pronounced	Usage
Samar	-	Arabic
Mani (1)	-	Hinduism, Tamil, Indian, Malayalam, Telugu, Kannada
Violet	VIE-lət, VIE-ə-lət	English
RÉGulo	RE-goo-lo (Spanish)	Spanish, Portuguese
Piotr	PYAWTR	Polish
BÉIbhinn	BAY-vin, BE-veen	Irish