abusion
n. C2 Proficiency abu·sion Archaic
n. the act of using something in a wrong or harmful way. This is an old word that people rarely use today.
n. the improper or injurious use of something.
The judge ruled that the abusion of power was a serious crime.
The committee investigated the abusion of public funds during the previous administration's tenure.
Legal scholars of the era debated whether the abusion of a private right could ever justify a state intervention, even if the individual's actions were technically legal.
From Middle English abusioun, from Old French abusion, from Latin abūsiō (“abuse, misuse”), from abūtor (“misuse”). Doublet of abusio.