1. occurring suddenly with great severity; developing rapidly and intensely
Usage: medical/formal

1. a substance that explodes or detonates; an explosive compound
Usage: chemistry/technical

Examples

• The patient suffered a fulminant infection that required immediate hospitalization.
• Fulminant hepatic failure can develop within days of symptom onset.
• The disease took a fulminant course, progressing rapidly through the body.
• Mercury fulminate is a fulminant used in percussion caps.
• His fulminant response to the criticism surprised everyone in the room.
• The fulminant nature of the outbreak alarmed public health officials.