Y10K bug

proper noun

A bug like the millennium bug, that arises when a 4‐digit year system — from "0000" to "9999" — fails to display, store or calculate the year 10,000 or any later year.

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Meanings

proper noun
  1. humorousoftencomputingA bug like the millennium bug, that arises when a 4‐digit year system — from "0000" to "9999" — fails to display, store or calculate the year 10,000 or any later year.

Origin

Abbreviation of year 10 or 000 (10k) bug. Based on the Y2K bug.

Full word history & related roots →

Rhymes & wordplay

Rhymes with Y10K bug

drugbugplugDougdebugughuglugslugthugpugtugsnugshrugglugunplugsmugfuggloggvugwugtrugfrugarmadillo bug
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Cite this entry
APA

Y10K bug. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Y10K%20bug

MLA

“Y10K bug.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Y10K%20bug. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Y10K bug,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Y10K%20bug.

Source: Y10K bug on Wiktionary, CC BY-SA 4.0.