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injustice; unfairness; wrongdoing; iniquity; impropriety; irregularity; dishonesty; illegality; fraud
試験での不正は厳しく罰せられる。
Cheating on exams is strictly punished.
彼は不正な手段で大金を稼いだらしい。
He earned money through dishonest means.
会社の不正が新聞で報道されたそうだ。
The company's fraud was reportedly covered in the news.