The idiom “put something on ice" means to postpone or delay something, often temporarily. It suggests keeping something aside for a later time.
Meaning of ‘Put something on ice’ Idiom in English
Put something on ice
Meaning
Examples
After a minor injury, I had to put my fitness goals on ice temporarily.
For the unexpected challenges, we had to put the project on ice temporarily.
The idea of buying a new car was put on ice when unexpected medical expenses arose.
My plans to learn a new language had to be put on ice because of a demanding work schedule.
The author decided to put the book release on ice until they were satisfied with the final edits.