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1. Dazzling or stunning in effect.
2. Medicine Occurring suddenly and severely. Used of a disease.
[French, from present participle of foudroyer, to strike with lightning, from foudre, lightning, from Old French fouldre, from Latin fulgur, from fulgēre, to flash; see bhel- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Pathology) (of a disease) occurring suddenly and with great severity
2. rare stunning, dazzling, or overwhelming
[C19: from French, from foudroyer to strike with lightning, from Old French foudre lightning, from Latin fulgur]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014