4F

noun

A military draftee rejected for being physically unfit.

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Meanings

noun4F (plural 4Fs)

plural 4Fs · alternative 4-F

  1. USgovernmentA military draftee rejected for being physically unfit.

    Synonyms: 4Fer

adjective4F (not comparable)

alternative 4-F

  1. USnot comparablegovernmentCategorised as physically unfit for military service.

    The cook gave him his meals separate from the white hired hands, but he heard them talking about the draft and joking with each other about being 4F. Some were 4F because cowboys get stove up by bad horses.

    1950, Dorothy M. Johnson, Scars of Honor; in Indian Country, London: Corgi, 1961, page 148

Synonyms & antonyms

nounA military draftee rejected for being physically unfit.

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Also see

Origin

From the Selective Service Classification code.

Full word history & related roots →
Cite this entry
APA

4F. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/4F

MLA

“4F.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/4F. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “4F,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/4F.

Source: 4F on Wiktionary, CC BY-SA 4.0.