English–Japanese
“extension” in Japanese
How to say “extension” in Japanese
“Extension” in Japanese is 延長 (enchō).
Describes adding time or length to something that already has a set endpoint.
Example sentences with 延長
店の営業時間を延長しました。mise no ei gyō ji kan o en chō shi ma shi ta
We extended the store's business hours.
Tips for using 延長
- In everyday conversation, 延長できますか (enchō dekimasu ka) asks whether a service or reservation can continue beyond its scheduled end.
Other Japanese words for “extension”
提出期限の猶予を求めました。tei shutsu ki gen no yū yo o moto me ma shi ta
I asked for an extension on the submission deadline.
このファイルの拡張子は何ですか?ko no fa i ru no kaku chō shi wa nan de su ka
What is this file's extension?

