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SECDEF

/ˈsɛkˈdɛf/noun

SECDEF is spelled S-E-C-D-E-F: 6 letters. It appears about once in every 14 million words in written English, the 113,022nd most frequent word form (wordfreq, 2021 data). As a noun, SECDEF means “The United States Defense Secretary, the civilian head of the Department of Defense of the United States of America, a cabinet secretary” (English Wiktionary, September 2026). The plural of SECDEF is SecDefs or SECDEFs.

How many letters and syllables are in SECDEF?

Letters6: S-E-C-D-E-F
In writingabout once in every 14 million words; the 113,022nd most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is SECDEF?

SECDEF appears about once in every 14 million words in written English, the 113,022nd most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce SECDEF?

  • /ˈsɛkˈdɛf/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of SECDEF

  • SecDefs plural
  • SECDEFs plural
  • SecDef
  • Sec.Def.
  • Sec. Def.
  • Sec Def

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does SECDEF mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    USThe United States Defense Secretary, the civilian head of the Department of Defense of the United States of America, a cabinet secretary.

noun

as SecDef
  1. 1

    Alternative form of SECDEF

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Where does SECDEF come from?

Abbreviation of Secretary of Defense.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after SECDEF