1. 1〔不道徳〕immorality
    • それは不倫極まる行為だ
    • That is an act of out-and- out immorality./《口》 That is a downright immoral thing to do.
  1. 2〔姦通〕 ((commit)) adultery
    • 不倫の恋
    • illicit love
    • 週刊誌は俳優たちの不倫の恋愛関係に多くのスペースを割く
    • The weekly magazines devote a lot of space to stars' extramarital [illicit love] affairs.