be set in concrete

be set in concrete

To be definitely and permanently decided or planned. We might get brunch next weekend, but nothing is set in concrete yet.
See also: concrete, set
Farlex Dictionary of Idioms.

be set in concrete

(of a policy or idea) be fixed and unalterable.
See also: concrete, set
Farlex Partner Idioms Dictionary
See also:
  • get (all) set
  • get set
  • set (something) out
  • set out
  • set in train
  • be (all) set (to do something)
  • set (one's) hand to
  • set about
  • set about (doing something)
  • set about doing