At all costs - English meaning

idiom

Regardless of the cost involved

phrase

Regardless of the price to be paid or the effort needed.

Usage examples:

He was anxious to avoid war at all costs

idiom

If something must be done or avoided at all costs or at any cost, it must be done or avoided whatever happens, even if it is very difficult or causes a lot of problems

Usage examples:

Security during the president's visit must be maintained at all costs., this was a situation we had…