cast in concrete
solidly established, very difficult to alter
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“Our plans for the weekend are not cast in concrete.”
“The schedule for the project is flexible and not cast in concrete, so we can change it if necessary.”
“Although the board presented the new policy as a final decision, they later admitted that nothing was cast in concrete.”
- 01
cast a chill
To provoke an uneasy feeling which stops a conversation, as by an uncalled act or word.
- 02
cast a shadow
To dampen future events.
- 03
cast aside
Synonym of discard.
- 04
cast aspersions
To make damaging or spiteful remarks.
- 05
cast in someone's teeth
To accuse someone of something, or reproach them for it.
- 06
cast loose
To unfasten, loosen, or set free.
- 07
cast of thousands
A large number of people in one place or carrying out one action.
- 08
cast one's bread upon the waters
To perform a kind deed or favor without the motivation of any immediate reward or benefit to oneself, though with the possibility of eventual future return.
Last updated August 10, 2026