- Med. developing suddenly and severely, as a disease
Origin of fulminantClassical Latin fulminans, present participle : see fulminate
Occurring suddenly, rapidly, and with great severity or intensity: fulminant infection.
Origin of fulminantLatin fulmināns fulminant- present participle of fulmināre to strike with lightning ; see fulminate .
- (chiefly medicine) Appearing quickly and with destructive effects.