Word.ws English Dictionary

double X

double X noun: twenty dollars; a $20 bill.

Noun

double X (plural double Xs)

  1. (US, dated, slang) Twenty dollars; a $20 bill.
    • “Hikes aroun’ wit’ a hundre’ an’ ninety bucks in ’is kick an’ won’t loosen a double X fer an ol’ frien’ what’s up again’ it? Why, dat guy ain’t got de firs’ idee about bein’ square wit’ a pal or librul wit’ an ol’ friend in de same line. An’—”1916, Jack Lait, “The Canada Kid” (chapter 9), in Beef, Iron and Wine, New York, N.Y.: Doubleday, Page & Company, pages 178–179

Forms of double X

pluraldouble Xs

Origin of double X

From X, the Roman numeral representing 10.

Questions about double X

What does double X mean?
Double X means twenty dollars; a $20 bill.
What part of speech is double X?
Double X is a noun.
What is the plural of double X?
The plural of double X is double Xs.

Words near double X in the dictionary

  1. double whammy
  2. double whole
  3. double whole note
  4. double whole notes
  5. double wholes
  6. double X
  7. double yellow line
  8. double yellow lines
  9. double yellows
  10. double-
  11. double-A

Source and license

Adapted from Wiktionary: double X (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: “double X.” Word.ws, https://word.ws/double_x. Based on Wiktionary, CC BY-SA 4.0.