1. 1〔一世代〕one [a] generation;〔一生〕one's lifetime
    • 彼が一代で築き上げた財産
    • a fortune built up in his lifetime
    • 一代の不覚
    • the greatest mistake of one's life
    • 一代前まで
    • until a generation ago
  1. 2〔その時代〕the time; the day
    • 彼は一代の英雄だった
    • He was the greatest hero of his [the] day.
  1. 一代記a biography; a life
    • 出世一代記
    • a success story
  1. 一代雑種the first filial hybrid