fleet admiral

noun

The highest rank in the United States Navy, NATO grade OF-10, used only during World War II.

“The last commissioned fleet admiral was William Halsey in 1945. The last to hold the rank was Chester Nimitz, who died 20 February 1966.”

Similar
admiral of the fleetadmiral of the navyfive-star admiral

Meanings

nounfleet admiral (plural fleet admirals)

plural fleet admirals · alternative FADM

  1. historicalgovernmentThe highest rank in the United States Navy, NATO grade OF-10, used only during World War II.

    The last commissioned fleet admiral was William Halsey in 1945. The last to hold the rank was Chester Nimitz, who died 20 February 1966.

    Synonyms: admiral of the fleet, admiral of the navy

Synonyms & antonyms

nounThe highest rank in the United States Navy, NATO grade OF-10, used only during World War II.

Similar
admiral of the fleetadmiral of the navy

More synonyms by meaning

nounan admiral of the highest rank

Similar
five-star admiral

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Finnish laivastoamiraali
  • laivastoamiraalitop rank in the US Navy — see also admiral, admiral of the fleet
Greek αρχιναύαρχος
  • αρχιναύαρχος (archinávarchos)top rank in the US Navy — see also admiral, admiral of the fleet
Polish admirał floty
  • admirał flotytop rank in the US Navy — see also admiral, admiral of the fleet
Portuguese almirante da armada
  • almirante da armadatop rank in the US Navy — see also admiral, admiral of the fleet
Cite this entry
APA

fleet admiral. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/fleet%20admiral

MLA

“fleet admiral.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fleet%20admiral. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “fleet admiral,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/fleet%20admiral.

Source: fleet admiral on Wiktionary, CC BY-SA 4.0.