Definition, Meaning & Synonyms

fort-knox

Noun

/fɔrt nɒks/

Definition

A high-security vault that is heavily guarded, often used metaphorically to describe something that is very secure.

Examples

The company’s secret formula was kept in a fort-knox of security.
He treated his personal diary like it was Fort Knox, keeping it under lock and key.
They had fort-knox-level protection on their data, ensuring no breaches could occur.

Meaning

The term ‘Fort Knox’ refers to the United States Bullion Depository, where a large portion of the country’s gold reserves are stored. It is often used to imply that something is extremely safe and impenetrable.