malfeasance
General noun
Wrongdoing or misconduct, especially by a public official.
The inquiry stopped short of proving criminal malfeasance but painted a damning picture of negligence.
Law noun
The commission of an act that is positively unlawful or wrongful.
The inquiry uncovered systematic malfeasance by senior executives who had falsified the accounts.
Business noun
Wrongful or unlawful conduct by an official or person in a position of trust.
The inquiry found no criminal malfeasance, only a pattern of sloppy oversight.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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