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Fort Knox

American  

noun

  1. a military reservation in N Kentucky, SSW of Louisville: location of U.S. federal gold depository since 1936.

Fort Knox British  
/ nɒks /

noun

  1. a military reservation in N Kentucky: site of the US Gold Bullion Depository. Pop: 12 377 (2000)

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The best teams in NBA history, it’s no surprise, are net rating monsters, combining cutthroat scoring attacks with defenses as solid as Fort Knox.

From The Wall Street Journal • Dec. 11, 2025

A working gold toilet seems a much better use of bullion than, say, making it into bars and then just having it sit, useless, in vaults in Fort Knox.

From MarketWatch • Nov. 1, 2025

Andrew Friedman realized this when he emptied Fort Knox during the offseason.

From Los Angeles Times • Jun. 7, 2025

But getting a hint from Clarke is like breaking into Fort Knox with flashing lights on your head.

From BBC • Nov. 19, 2023

Most people she knew wouldn’t have traded places with the astronauts for all the gold in Fort Knox.

From "Hidden Figures" by Margot Lee Shetterly

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.