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lawless; outrageous; insolent; rude; inexcusable; unpardonable
不埒な行為に対して厳罰が下された。
Severe punishment was imposed for the outrageous act.
不埒者を追い出して秩序を回復した。
They expelled the troublemaker and restored order.
不埒な企みを未然に防ぐ措置を講じた。
Measures were taken to prevent the nefarious scheme in advance.