Idiomsnounjump to other results
BrE BrE//ˌfɔːt ˈnɒks//; NAmE NAmE//ˌfɔːrt ˈnɑːks//
(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. From the name of the military base in Kentucky where most of the US’s store of gold is kept.
be like/as safe as Fort Knoxjump to other results