🦅 Project Eagle
synonym Comparative
後日
VS
曠古絶後

Differences Between "後日" and "曠古絶後"

Option A
後日
Meaning
later date, in the future, another day
Reading
ごじつ (gojitsu)
Syllabus Level
N2
Practical Example
詳細については後日改めてご連絡いたします。
We will contact you again with details at a later date.
Option B
曠古絶後
Meaning
Unprecedented in the past and unlikely to be repeated in the future; unique in all of history.
Reading
こうこぜつご
Syllabus Level
C2PLUS
Practical Example
私は曠古絶後に興味があります。
I am interested in Unprecedented in the past and unlikely to be repeated in the future; unique in all of history..

Which one to use?

Select the correct Japanese word for this context

Which word fits this context: "(later date, in the future, another day)"?
🎉 正解 / Correct!
使い分け解説:
- 後日: Refers to a future day, often unspecified but not too distant. More formal than 「あとで」 or 「後ほど」.
- 曠古絶後: Essential structural term in CEFR C2PLUS vocabulary syllabus. (CEFR C2PLUS語彙シラバスにおける重要表現です。)
🦅

Want to boost your Japanese vocabulary?

Project Eagle automatically tracks and targets your weak words using AI. Practice thousands of operational exams completely for free!

💡 Practice with AI! Live

Don't just read. Practice speaking this grammar with our interactive AI coach for free!

Try AI Speaking 👉