noun

  1. (unlikely event of) emergency, the worst(-case scenario), 10000 to 1.

adverb, takes genitive case の

  1. (if) by some chance, by some possibility, in the unlikely event that.

Variations

Pronunciation Kanji Kana Is Common
万一 まんいち
ばん
いち
万一 ばんいち
万一 まんいつ
万一 ばんいつ

Contained Kanji Breakdown

ten thousand, 10,000
バン マン よろず (2nd, N5)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
wrapping enclosure, wrapping radical (no. 20)
ホウ つつ.む (Kentei 1)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)