The phrase "all important" is an adjective that means something is of the greatest importance or significance. When you describe something as "all important," you are saying that it is crucial and cannot be overlooked.
While "all important" typically refers to something of great significance, it can also imply that other things may be less important in comparison.
There are no direct idioms or phrasal verbs that specifically include "all important," but you might encounter phrases like: - "Of utmost importance" (which means the same thing). - "Make or break" (meaning something is critical to success or failure).