noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   A condition in which fewer products are delivered or produced than had been ordered.
2. 2
   A condition in which the read/write buffer is fed with data at a slower rate than required; a buffer underrun.

Verb

1. 1
   To run or pass under.

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

2. 2
   haul onto a boat wordnet
3. 3
   To pass along and under, e.g. a cable, for the purpose of taking it in or examining it.
4. 4
   run or pass below wordnet
5. 5
   To separate the parts of (a tackle) and put them in order.

Example

More examples

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

Etymology

From under- + run.

Related phrases

buffer underrun

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.