solid as Fort Knox

adjective

Extremely solid.

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Meanings

adjectivesolid as Fort Knox (not comparable)
  1. not comparableExtremely solid.

    The Big Man, of course, had had an alibi as solid as Fort Knox. He had been held and questioned, but was quickly sprung by the best lawyer in Harlem.

    1954, Ian Fleming, “A Visiting-Card”, in Live and Let Die, London: Pan Books, published 1957, page 22
Cite this entry
APA

solid as Fort Knox. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/solid%20as%20Fort%20Knox

MLA

“solid as Fort Knox.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/solid%20as%20Fort%20Knox. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “solid as Fort Knox,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/solid%20as%20Fort%20Knox.

Source: solid as Fort Knox on Wiktionary, CC BY-SA 4.0.