[ foo-droi-uh nt; French foo-drwa-yahn ]
/ fuˈdrɔɪ ənt; French fu drwaˈyɑ̃ /


striking as with lightning; sudden and overwhelming in effect; stunning; dazzling.
Pathology. (of disease) beginning in a sudden and severe form.

Origin of foudroyant

1830–40; < French, present participle of foudroyer to strike with lightning, derivative of foudre lightning < Latin fulgur Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for foudroyant

British Dictionary definitions for foudroyant


/ (fuːˈdrɔɪənt) /


(of a disease) occurring suddenly and with great severity
rare stunning, dazzling, or overwhelming

Word Origin for foudroyant

C19: from French, from foudroyer to strike with lightning, from Old French foudre lightning, from Latin fulgur
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