cast in concrete

cast in concrete

Firmly or permanently established; not subject to change; unalterable. The healthcare law looks promising, but we'll have to wait until it's cast in concrete before we know exactly what it will do.
See also: cast, concrete
Farlex Dictionary of Idioms.
See also:
  • be cast in cement
  • be cast in concrete
  • be set in cement
  • cement
  • concrete
  • in cement
  • set (something) in cement
  • set (something) in concrete
  • set in cement
  • set in concrete