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Definition of Fort Knox noun from the Oxford Advanced Learner's Dictionary

Fort Knox

noun
 
/ˌfɔːt ˈnɒks/
 
/ˌfɔːrt ˈnɑːks/
Idioms
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Idioms
be like/as safe as Fort Knox
  1. (of a building) to be strongly built, often with many locks, strong doors, guards, etc., so that it is difficult for people to enter and the things kept there are safe
    • This home of yours is like Fort Knox.
See Fort Knox in the Oxford Advanced American Dictionary
Check pronunciation: Fort Knox

Nearby words

brink
noun
 
 
From the Topic
Danger
C2
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