まんがいち

Common word

  1. adverb (fukushi)

    (if) by some chance, by some possibility, in the unlikely event that, 10000 to 1

    • 万が一気が変わったら、知らせて下さい。
      If you change your mind, let me know.
  2. noun (common) (futsuumeishi)

    (unlikely event of) emergency, the worst(-case scenario)

    • 万が一に備えて、武器になるものを探した。
      I looked around for a weapon just in case.