underrun

U1N1D2E1R1R1U1N1

noun

A condition in which fewer products are delivered or produced than had been ordered.

UncommonScrabble 9

Meanings

noununderrun (plural underruns)

plural underruns

  1. accountingA condition in which fewer products are delivered or produced than had been ordered.
  2. computingA condition in which the read/write buffer is fed with data at a slower rate than required; a buffer underrun.
verbunderrun (third-person singular simple present underruns, present participle underrunning, simple past underran, past participle underrun)

present singular third person underruns · participle present underrunning · past underran

  1. To run or pass under.

    He spoke fast, with the uneasy tone that so often underran his words.

    1904, Katherine Cecil Thurston, The Masquerader, page 26
  2. nauticalTo pass along and under, e.g. a cable, for the purpose of taking it in or examining it.
  3. nauticalTo separate the parts of (a tackle) and put them in order.

Origin

  1. Proto-Indo-European*h₁én
  2. Proto-Indo-European*h₁entér
  3. Proto-Indo-European*h₂én
  4. Proto-Indo-European*dʰeh₁-?
  5. Proto-Indo-European*(H)n̥dʰí
  6. Proto-Indo-European*(H)n̥dʰér
  7. Proto-Germanic*under
  8. Proto-West Germanic*undar
  9. Old Englishunder-
  10. Middle Englishunder-
  11. Englishunder-
  12. Englishrun
  13. Englishunderrun

From under- + run.

Full word history & related roots →

Translations

Japanese アンダーラン
  • アンダーラン (andāran)computing: A condition in which the read/write buffer is fed with data at a slower rate than required
Cite this entry
APA

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

MLA

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

Chicago

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

Source: underrun on Wiktionary, CC BY-SA 4.0.