[fuhl-muh-nuh nt]


occurring suddenly and with great intensity or severity; fulminating.
Pathology. developing or progressing suddenly: fulminant plague.

Origin of fulminant

1595–1605; < Latin fulminant- (stem of fulmināns), present participle of fulmināre to fulminate; see -ant
Related formsun·ful·mi·nant, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fulminant

Historical Examples of fulminant

  • Such cases are not so rare as they are thought, though they are seldom so fulminant.


    James J. Walsh

  • The howl that would go up in the Diet, or the Reichstag, the fulminant denials by prince and king and government!

  • Thus we describe certain cases as ambulant, abortive, larval and fulminant.


    Thomas Wright Jackson

  • In some cases, the fulminant fluid only attacks the colour of the hair of the animal.

    Thunder and Lightning

    Camille Flammarion

  • We also have the sadly familiar type described as the fulminant or, literally, "lightning-stroke" variety.

    Preventable Diseases

    Woods Hutchinson

British Dictionary definitions for fulminant



sudden and violent; fulminating
pathol (of pain) sudden and sharp; piercing

Word Origin for fulminant

C17: from Latin fulmināre to cause lightning, from fulmen lightning that strikes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for fulminant

c.1600, from French fulminant or directly from Latin fulminantem (nominative fulminans), present participle of fulminare (see fulminate). As a noun from 1808.

Online Etymology Dictionary, © 2010 Douglas Harper

fulminant in Medicine


[fulmə-nənt, fŭl-]


Occurring suddenly, rapidly, and with great severity or intensity, usually of pain.
Related formsfulmi•nat′ing (-nātĭng) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.