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View synonyms for

boulder

1
or Ƿɱ·

[ bohl-der ]

noun

  1. a detached and rounded or worn rock, especially a large one.


Boulder

2

[ bohl-der ]

noun

  1. a city in N Colorado.

boulder

/ ˈəʊə /

noun

  1. a smooth rounded mass of rock that has a diameter greater than 25cm and that has been shaped by erosion and transported by ice or water from its original position
  2. geology a rock fragment with a diameter greater than 256 mm and thus bigger than a cobble
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • ˈdzܱ, adjective
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Other Word Forms

  • dzܱd adjective
  • dzܱd· adjective
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Word History and Origins

Origin of boulder1

1610–20; short for boulder stone; Middle English bulderston < Scandinavian; compare dialectal Swedish bullersten big stone (in a stream), equivalent to buller rumbling noise (< Old Swedish bulder ) + sten stone
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Word History and Origins

Origin of boulder1

C13: probably of Scandinavian origin; compare Swedish dialect bullersten , from Old Swedish bulder rumbling + sten stone
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Example Sentences

Examples have not been reviewed.

Climbing, which had four medal events in Paris, will have six in L.A. by splitting the previously combined disciplines of boulder and lead in addition to speed climbing.

From

The wreck left the vehicles mangled in the road with one resting slightly on top of a boulder with its rear and passenger side crumpled.

From

Bleeding from injuries and with a dislocated shoulder, the hiker used poles to cling to an almost vertical cliff, dangling perilously over a beach of gravel, rocks and boulders.

From

She gave a cautious welcome to the funding news, describing the "pure carnage" of "two trees, massive boulders, slurry down the hill", during Storm Bert.

From

At Los Rios, the students hike on a nature trail designed by Myers with boulders etched with quotes from Emerson, Thoreau and Muir.

From

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BoulangismBoulder Canyon