boulder

noun
boul·​der | \ ˈbōl-dər \
variants: or less commonly

Definition of boulder

 (Entry 1 of 2)

: a detached and rounded or much-worn mass of rock

Boulder

geographical name
Boul·​der | \ ˈbōl-dər \

Definition of Boulder (Entry 2 of 2)

city northwest of Denver in north central Colorado population 97,385

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Other Words from boulder

Noun

bouldered \ ˈbōl-​dərd \ adjective
bouldery \ ˈbōl-​d(ə-​)rē \ adjective

Examples of boulder in a Sentence

Recent Examples on the Web: Noun

Erickson took pictures of faint images and photographed boulders with no apparent art. Diane Bell, sandiegouniontribune.com, "Discovery of hidden drawings puts Poway Native American art in a class of its own," 9 July 2018 Multiple readers on both Facebook and in the story’s comment section suggested building jetties and using boulders to help mitigate sand erosion. Dan Sweeney, Sun-Sentinel.com, "Build sea walls and jetties, plant mangroves — readers share their alternatives to piling sand on beaches," 11 June 2018 This one—with its boulder opal center surrounded by diamonds and four diopsides—is particularly stunning. Lane Florsheim, WSJ, "Online Staff Writer Lane Florsheim’s Holiday Gift Guide: Color Their World," 3 Dec. 2018 The tree-house-like stilted bungalows of Asilia’s Jabali Ridge—enclosed by teak louvered shutters and nest-like gum-wood-branch roofs—hide between boulders on a soaring granite outcrop, giving panoramic views of plains and otherworldly baobabs. Andrew Sessa, Condé Nast Traveler, "Ruaha: The African National Park You'll Have Almost All to Yourself," 11 Oct. 2018 Finally, the Moon landing is arresting, properly showing the tension surrounding the Lunar Module's declining fuel levels, the unexpected field of boulders, and the uncertainty of landing upon an unknown surface. Eric Berger, Ars Technica, "First Man is a first-rate movie about America’s most revered astronaut," 12 Oct. 2018 In addition, there were reports of boulders falling into a park in Hilo on the east side of the island, Okabe said. Jennifer Sinco Kelleher, Fox News, "Hurricane Lane unleashes rain as it shifts closer to Hawaii," 24 Aug. 2018 Although many of the boulders on the peak looked as though they had been split in half by a giant cleaver, a big hunk of Potato Chip Rock is missing, leaving a thin flake hanging above a drop-off. Brian E. Clark, latimes.com, "Two scenic San Diego hikes, mountaintop and seaside," 24 June 2018 But overall, the southern end of the conduit saw massive buildups of boulders and rubble. William J. Broad, New York Times, "How the Ice Age Shaped New York," 5 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'boulder.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of boulder

Noun

1607, in the meaning defined above

History and Etymology for boulder

Noun

short for boulder stone, from Middle English bulder ston, partial translation of a word of Scandinavian origin; akin to Swedish dialect bullersten large stone in a stream, from buller noise + sten stone

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Statistics for boulder

Last Updated

8 Feb 2019

Look-up Popularity

Time Traveler for boulder

The first known use of boulder was in 1607

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More Definitions for boulder

boulder

noun

English Language Learners Definition of boulder

: a very large stone or rounded piece of rock

boulder

noun
boul·​der | \ ˈbōl-dər\

Kids Definition of boulder

: a very large rounded piece of rock

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More from Merriam-Webster on boulder

Rhyming Dictionary: Words that rhyme with boulder

Spanish Central: Translation of boulder

Nglish: Translation of boulder for Spanish Speakers

Britannica English: Translation of boulder for Arabic Speakers

Britannica.com: Encyclopedia article about boulder

Comments on boulder

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