pile up

noun, verb — 6 senses

pile-up

nounalso spelled pile-up

Etymology Deverbal from pile up.

› A pile, a group of people or things which…

1

Colloquial A pile of crashed vehicles due to a traffic accident.

  • Traffic was backed up for miles due to a twelve-car pile-up on the freeway earlier today.
  • Pinot was among those involved in the huge pile-up just as the race entered the final three kilometres. Grazes were visible under his torn clothing as he pedalled, with a face like thunder, to the finish line.2020 August 29, Jeremy Whittle, “Alexander Kristoff takes Tour de France yellow jersey after day of crashe”, in The Guardian:
2

American football, Ball games, Football, Games, Hobbies, Lifestyle, Sports Colloquial A pile of tackling players.

3

An accumulation that occurs over time, especially one which is not welcome.

  • If the supervisor deals with daily workload in an orderly way and does not put pressure on the employee about a pile-up of work, then the employee's perception of pressure will be reduced and the employee will not suffer from work pressure stress.2001, Gavriel Salvendy, Handbook of Industrial Engineering: Technology and Operations Management, →ISBN:
  • Evidently, the annealing in NO ambient results in a pile-up of nitrogen at the oxide/SiC interface and this results in a reduction of interface states near the conduction band edge of 4H-SiC [16,30,31].2002, Carl-Mikael Zetterling, Process Technology for Silicon Carbide Devices, →ISBN, page 107:
2 more examples
  • Cusp-like trapezoidal shaping functions have been shown to produce the best signal-to-noise ratio and still maintain short duration to avoid pile-up of events.2004, G. Molnar, Handbook of Prompt Gamma Activation Analysis: With Neutron Beams, →ISBN:
  • Because family crises evolve and are resolved over a period of time, families seldom are dealing with a single stressor, but rather, our longitudinal data suggest they experience a pile-up of stressors and strains (i.e., demands), particularly in the aftermath of a major stressor, such as a death, a major role change for one member, or a natural disaster.2014, Hamilton I Mc Cubbin, Marvin B Sussman, Social Stress and the Family, →ISBN:
Synonyms
dogpile
Related terms
pile-on

pile up

verb
1

To form a pile, stack, or heap.

  • The kids piled up their boots and coats by the back door.
  • And still the hours passed, and at last I knew by the glimmer of light in the tomb above that the sun had risen again, and a maddening thirst had hold of me. And then I thought of all the barrels piled up in the vault and of the liquor that they held; and stuck not because 'twas spirit, for I would scarce have paused to sate that thirst even with molten lead.[1898], J[ohn] Meade Falkner, Moonfleet, London; Toronto, Ont.: Jonathan Cape, published 1934, →OCLC:
2 more examples
  • In the Norwegian district of Tellemarken a cairn is piled up wherever anything fearful has happened, and every passer-by must throw another stone on it, or some evil will befall him.1911, James George Frazer, The Golden Bough, volume 9, page 14:
  • If I close my eyes I can see Marie today as I saw her then. Round, rosy face, snub nose, dark hair piled up in a chignon.1977, Agatha Christie, chapter 2, in An Autobiography, part II, London: Collins, →ISBN:
2

Idiomatic To collect or accumulate, as a backlog.

  • The requests piled up while she was away.
  • The locomotive was the now inevitable American 2-8-0, No. 2623. There she stood, effectively blocking the level crossing, simmering gently, massively inert. It was almost dark, and one's final sight was of her high, firelit cab, the enginemen nonchalantly leaning out, waiting for the right-away, while impatient road convoys piled up on both sides of the crossing.1945 January and February, “Notes and News: American Locomotives in France”, in Railway Magazine, page 46:
1 more example
  • There are the engines that develop ill-health and begin to lose time, or the wagons that develop hot boxes and have to be removed, initiating delays that steadily pile up—or at worst, the weather lays its hand on the whole District.1962 August, G. Freeman Allen, “Traffic control on the Great Northern Line”, in Modern Railways, page 131/132:
3

To sustain a motor vehicle accident; to crash.

  • Nevertheless, if there were no urgent reason for it, I did not fancy driving anything, much less a large, heavily loaded truck, by night along roads which might reasonably be expected to produce a number of hazards. If I were to pile it up, and the odds were that I should, I would lose a lot more time in finding another and transferring the load than I would by spending the night here.1951, John Wyndham, The Day of the Triffids, Harmondsworth: Penguin Books, published 1954, page 157:
  • Seven cars piled up in a concertina smash on the Pacific Highway this morning about four miles on the Brisbane side of Southport.1953 July 13, The Northern Star, Lismore, page 4, column 3:
Synonyms
accumulate, agglomerate, amass, build up, cumulate, heap, heap up, mound, pile, pile up, rack up, stack, stack up, upheap
Antonyms
unpile, unstack
Derived terms
pile-up, pileup
Related terms
backlog, back up, backup
Hypernyms
round up

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — authors: page histories for pile-up and pile up.