Word.ws English Dictionary

SECDEF

/ˈsɛkˈdɛf/

SECDEF noun: the United States Defense Secretary, the civilian head of the Department of Defense of the United States of America, a cabinet secretary.

Noun (1)

SECDEF (plural SECDEFs)

  1. (US, titles) The United States Defense Secretary, the civilian head of the Department of Defense of the United States of America, a cabinet secretary.
    Synonyms:
    Defense Secretary, Secertary of War, Secretary of Defense, Sec War, Sec. War, SecWar, Sec.War, SoD, SoW, War Secretary

Noun (2) capitalized: SecDef

SecDef (plural SecDefs)

  1. (alternative) Alternative form of SECDEF

Synonyms of SECDEF

Forms of SECDEF

pluralSECDEFs
alternative formSecDef
alternative formSec.Def.
alternative formSec. Def.
alternative formSec Def
pluralSecDefs

Origin of SECDEF

Abbreviation of Secretary of Defense.

Questions about SECDEF

What does SECDEF mean?
SECDEF means the United States Defense Secretary, the civilian head of the Department of Defense of the United States of America, a cabinet secretary.
What part of speech is SECDEF?
SECDEF is a noun.
How do you pronounce SECDEF?
SECDEF is pronounced /ˈsɛkˈdɛf/.
What is the plural of SECDEF?
The plural of SECDEF is SECDEFs.

Words near SECDEF in the dictionary

  1. Secchis
  2. secco
  3. Seccombe
  4. seccos
  5. seccotine
  6. SECDEF
  7. SECDEFs
  8. secede
  9. seceded
  10. seceder
  11. seceders

Source and license

Adapted from Wiktionary: SECDEF (page history and authors); SecDef (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “SECDEF.” Word.ws, https://word.ws/secdef. Based on Wiktionary, CC BY-SA 4.0.