Translation guide
In Japanese, the concept of a deadline is commonly expressed with specific nouns and verbs. The most natural translations depend on whether you are referring to the deadline itself, the act of meeting it, or the final date for something.
Referring to the deadline as a point in time by which something must be done.
The most common and general word for 'deadline'. Used for submission dates, application deadlines, etc.
レポートの締め切りは明日です。
The deadline for the report is tomorrow.
締め切りに間に合わなかった。
I missed the deadline.
Refers to a fixed time limit or term, often used in formal or legal contexts. Can also mean 'expiration date'.
申し込みの期限は今月末です。
The application deadline is the end of this month.
期限を過ぎると無効になります。
It becomes invalid after the deadline.
Loanword from English, used in business or project management contexts. Less common than 締め切り.
プロジェクトのデッドラインが迫っている。
The project deadline is approaching.
Expressing that you will meet or have met a deadline.
To be in time for the deadline. The verb 間に合う means 'to be in time'.
何とか締め切りに間に合った。
I managed to meet the deadline.
急げば締め切りに間に合いますか？
Will we make the deadline if we hurry?
Literally 'to protect the deadline', meaning to observe or meet it. Slightly more formal.
期限を守ることは大切です。
It's important to meet deadlines.
Expressing that a deadline was not met.
To not be in time for the deadline.
締め切りに間に合わなかったらどうしよう。
What if I don't make the deadline?
To pass the deadline. Often used when something is submitted late.
締め切りを過ぎてしまった。
I missed the deadline (it passed).
Indicating that a deadline is near.
The deadline is pressing, imminent.
締め切りが迫っているので、急ぎましょう。
The deadline is approaching, so let's hurry.
The deadline is near. A simpler, more direct expression.
締め切りが近いから、集中しないと。
The deadline is close, so I need to focus.
Establishing or imposing a deadline.
To set or establish a deadline. Formal.
応募の締め切りを来月に設けます。
We will set the application deadline for next month.
To decide on a deadline. More casual than 設ける.
締め切りをいつに決めましょうか？
When should we set the deadline?
締め切り is the most common word for 'deadline' in everyday contexts like school assignments or submissions. 期限 is broader and can refer to any time limit, including expiration dates or legal deadlines. 期限 is often used in formal documents.
Avoid literal translations like '死の線' (death line). The word 'deadline' does not carry a morbid connotation in Japanese, and such a translation would be confusing or alarming.