[fog-ee, faw-gee]

adjective, fog·gi·er, fog·gi·est.

thick with or having much fog; misty: a foggy valley; a foggy spring day.
covered or enveloped as if with fog: a foggy mirror.
blurred or obscured as if by fog; not clear; vague: I haven't the foggiest notion of where she went.
bewildered; perplexed.
Photography. affected by fog.

Nearby words

  1. foggage,
  2. fogged,
  3. fogger,
  4. foggia,
  5. fogging,
  6. foggy bottom,
  7. foghorn,
  8. fogram,
  9. fogy,
  10. foh

Origin of foggy

1520–30; fog2 + -y1; orig. meaning marshy, thick, murky

Related formsfog·gi·ly, adverbfog·gi·ness, nounun·fog·gy, adjective

Can be confusedfoggy fogy Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for foggy

British Dictionary definitions for foggy


adjective -gier or -giest

thick with fog
obscure or confused
another word for fogged
not the foggiest, not the foggiest idea or not the foggiest notion no idea whatsoeverI haven't the foggiest
Derived Formsfoggily, adverbfogginess, noun

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 foggy



1540s, perhaps from a Scandinavian source, or formed from fog (n.1) + -y (2). Foggy Bottom "U.S. Department of State," from the name of a marshy region of Washington, D.C., where many federal buildings are (also with a suggestion of political murkiness) popularized 1947 by James Reston in "New York Times," but he said it had been used earlier by Edward Folliard of "The Washington Post."

Online Etymology Dictionary, © 2010 Douglas Harper