Miss a 締め切り (shimekiri) and there are consequences. Let a 期限 (kigen) pass and things just… expire. Both words relate to time running out, but they are used in very different situations. Once you understand the one key distinction between them, choosing the right word will always be easy.
Yuka締め切りと期限ってどう違うの？(What is the difference between shimekiri and kigen?)
Rei締め切りは提出や作業の「期日」で、守らないとペナルティがあるよ。期限は「有効な期間」で、食品や証明書の有効期限に使うよ。(Shimekiri is a submission or task deadline — missing it brings a penalty. Kigen is an expiry period — used for food, passports, certificates, and the like.)
At a Glance: 締め切り vs 期限
| Word | Reading | Core meaning | Penalty if missed? | Typical context |
|---|---|---|---|---|
| 締め切り | shimekiri | deadline (for submission) | Yes — consequences apply | Homework, reports, applications |
| 期限 | kigen | expiry / time limit | No direct penalty — it simply expires | Food, passport, licence, certificate |
締め切り (shimekiri) — Deadline for Submission
締め切り means a cut-off date for submitting or completing something. If you miss it, there is a consequence: a lower grade, a financial penalty, losing a contract, or an angry boss. It is always about an action you are expected to take by a specific date.
Sample
Yukaこの宿題の締め切りはいつ？ (When is the deadline for this homework?) (kono shukudai no shimekiri wa itsu?)
Rei締め切りは来週の金曜日だよ。 (The deadline is next Friday.) (shimekiri wa raishū no kin’yōbida yo.)
Yuka締め切りギリギリに終わったー！ (I finished it just before the deadline!) (shimekiri girigiri ni owatta-!)
Rei焦るっ！締め切りが近い！ (I’m panicking! The deadline is coming up soon!) (aseru! shimekiri ga chikai!)
期限 (kigen) — Expiry / Time Limit
期限 refers to a period of validity or the point when something expires. It is used for the shelf life of food (賞味期限), the validity of a passport or licence (有効期限), and similar contexts. When the 期限 passes, the item or document simply becomes invalid or unusable. There is no direct personal penalty attached.
Sample
Rei2週間で期限が切れるね。 (It will expire in two weeks.) (ni shūkan de kigen ga kireru ne.)
Yuka賞味期限っていつまで？ (When does the best-by date expire on this?) (shōmi kigen tte itsu made?)
Reiあれ？ゆかのパスポート有効期限過ぎてない？ (Wait! Yuka’s passport hasn’t expired, has it?) (are? Yuka no pasupōto yūkō kigen sugi tenai?)
Yukaまだ大丈夫だけど、だいぶ有効期限が迫ってるねー。 (It’s still okay, but the expiry date is getting close.) (mada daijōbudakedo, daibu yūkō kigen ga sematteru ne-.)
Decision Guide: Which Word Do I Use?
| Situation | Word |
|---|---|
| Report submission cut-off at work | 締め切り |
| Best-by date on a carton of milk | 賞味期限 |
| Passport validity date | 有効期限 |
| Application window for a scholarship | 締め切り |
| Driver licence expiry | 有効期限 |
Quick Quiz: Fill in the Blank
Choose 締め切り or 期限.
- この応募フォームの_______ は今月末です。 (The _______ for this application form is the end of this month.)
- パスポートの有効_______ を確認してください。 (Please check your passport’s valid _______. )
- _______ を守らないと、契約を失うかもしれない。 (If you miss the _______, you might lose the contract.)
Answers: 1. 締め切り 2. 期限 3. 締め切り
The one key distinction: 締め切り involves consequences for you if you miss it; 期限 is about something becoming invalid or expired. Keep that in mind and the choice will always be clear.
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