fulminate

US /ˈfʊl.mə.neɪt/
UK /ˈfʊl.mə.neɪt/
"fulminate" picture
1.

express vehement protest

:
He continued to fulminate against the government's policies.
The speaker fulminated about the injustice of the system.
2.

(of a disease or symptom) develop suddenly and severely

:
The infection can fulminate rapidly, leading to serious complications.
His condition began to fulminate after a few hours.