adjective, fog·gi·er, fog·gi·est.
Origin of foggy
Examples from the Web for foggiest
A crackdown on a Tiananmen scale is on many minds, even if no one has the foggiest idea what Beijing is planning.
And I would bet that if you asked Americans about it today, no more than 20 percent would have the foggiest idea what it was.
Fanny had the foggiest idea of what it was, though she noticed that it roughened his hands and stained them.The Magnificent Ambersons|Booth Tarkington
"The natives haven't the foggiest idea of hygiene," said the doctor finally.Banked Fires|E. W. (Ethel Winifred) Savi
McGee put the question to a dozen officers, and not one of them had the foggiest notion of where he was going.Aces Up|Covington Clarke
There wasn't the foggiest chance of a serious invasion of Egypt being undertaken.Greenmantle|John Buchan
Have you got the foggiest idea of what in hell she's yammering about?Masters of Space|Edward Elmer Smith
adjective -gier or -giest
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."