diableriePronunciation: /dɪˈɑːbləri/Definition of diablerie noun [mass noun] the quality of being reckless or wild in a charismatic way. archaic sorcery supposedly assisted by the devil. Origin: mid 18th century: from French, from diable, from ecclesiastical Latin diabolus 'devil'diablerie in other Oxford dictionaries Definition of diablerie in the US English dictionary