impropriety
C1CEFR level
50/100Rarity: uncommon
TechnicalRegister
Conduct that breaches accepted standards of honesty or ethics.
Even the appearance of impropriety in awarding the contract to a director's relative triggered an internal review.
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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