noun
urgency; under pressure
Refers to a state of being pressed for time or under urgent circumstances. Often used in formal or written contexts.
急切の用事で、すぐに出かけなければならなかった。
I had to leave immediately due to an urgent matter.
急切を要する問題なので、早急に対応してください。
This is an urgent issue, so please deal with it promptly.