pococurante
Apathetic, indifferent or nonchalant.
The Treasury was entrusted to the pococurante capacity of Grafton, the Exchequer to the erratic genius of Charles Townshend.
Where it comes from
Borrowed from French pococurante, itself - from Pococurante, a nonchalant Venetian senator in Candide, coined by Voltaire based on Italian poco (“little”) + curante (“caring”).
Adapted from the Wiktionary entry pococurante (CC BY-SA 4.0).