Last Updated
：2026/01/08
前代未聞
Hiragana
ぜんだいみもん
Noun
idiomatic
Japanese Meaning
前の時代には全く例がなく、今まで一度も聞いたことがないこと。非常に珍しく、きわめて異例な事柄を指す表現。 / 常識や従来の経験からは考えられないほど、特異であるさま。前例がないことを強調する語。
Easy Japanese Meaning
これまでにきいたことがないとてもめずらしいできごと
Chinese (Simplified) Meaning
前所未闻的事情 / 史无前例的事件 / 从未出现过的情况
Chinese (Traditional) Meaning
史無前例的事件 / 前所未聞的事 / 聞所未聞的情況
Korean Meaning
전례가 없는 일 / 지금까지 들어본 적이 없는 사건 / 유례없는 문제
Indonesian
belum pernah terdengar / belum pernah terjadi / tanpa preseden
Vietnamese Meaning
sự việc chưa từng có tiền lệ / chuyện chưa từng nghe thấy / điều xưa nay chưa có
Tagalog Meaning
walang kaparis na pangyayari / hindi pa naganap kailanman / hindi pa naririnig kailanman
Sense（1）
(idiomatic) An unheard of, unprecedented issue.
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
前代未聞
See correct answer
His behavior was an unheard of thing.
See correct answer
彼の行動は前代未聞のものだった。
Japanese - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen changing entry name
- Users authorized to vote on judging - All Users
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
