Word.ws English Dictionary

zero-days

zero-days is the plural of zero-day.

Meaning of zero-day

Noun

zero-day (plural zero-days)

  1. (computer security) A vulnerability that has been discovered recently, and is yet unpatched or unmitigated; a zero-day vulnerability.
    • New Internet Explorer zero-day exploited in Hong Kong attacks
  2. A day without obligations, where one does not worry about being productive.
    • Whatever you do, do not cut out the “zero days” as suggested in Joel Snape’s article on productivity tips (Big, beautiful goals – but can’t be bothered? 11 great productivity tips for lazy people, 10 July). These are days where you have no obligations, where you do not worry about being productive.2024 July 14, Christine Lehnen, “Why everyone should have ‘zero days’ and do the worst job first”, in The Guardian, →ISSN

See all 6 meanings of zero-day

Questions about zero-days

What is zero-days the plural of?
Zero-days is the plural of zero-day.

Words near zero-days in the dictionary

  1. zero-click
  2. zero-cool
  3. zero-coupon note
  4. zero-coupon notes
  5. zero-day
  6. zero-days
  7. zero-derivation
  8. zero-derivations
  9. zero-derive
  10. zero-derived
  11. zero-derives

Source and license

Adapted from Wiktionary: zero-days (page history and authors); zero-day (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: “zero-days.” Word.ws, https://word.ws/zero-days. Based on Wiktionary, CC BY-SA 4.0.