boulder

noun

boul·​der ˈbōl-dər How to pronounce boulder (audio)
variants or less commonly bowlder
: a detached and rounded or much-worn mass of rock
bouldered adjective
bouldery adjective

Examples of boulder in a Sentence

Recent Examples on the Web Among them were three hikers and a worker at Taroko Gorge; two drivers whose cars were crushed by falling boulders; and one person at a mining site. Júlia Ledur, Washington Post, 3 Apr. 2024 Some of the park's primitive dirt roads cross boulders—a real adventure for more daring drivers. Southern Living Editors, Southern Living, 15 Mar. 2024 Meanwhile, what remains of its borders are made up of standing boulders. Joshua Rapp Learn, Discover Magazine, 29 Feb. 2024 At the center of the co-ed pools is a striking, sculpture-like boulder sliced in half and polished. Elizabeth Brownfield, Forbes, 23 Feb. 2024 The background of the pristine shoreline and azure sea are lush tropical greenery and large boulders. Kathleen Wong, USA TODAY, 14 Mar. 2024 The walk-in shower has a sliding glass door that leads outside and around a corner to an elegant hot tub surrounded by boulders and plants. David Caraccio, Sacramento Bee, 21 Feb. 2024 Nearby a flat boulder cloaked in the shade of the yawning oak trees was dimpled with grinding holes created by nameless Native Americans, decades, or even centuries, ago. Ernie Cowan, San Diego Union-Tribune, 18 Feb. 2024 Large boulders landed within a few feet of several vehicles parked near the slide, according to video from OnSceneTV. Nathan Solis, Los Angeles Times, 11 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'boulder.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

1607, in the meaning defined above

Time Traveler
The first known use of boulder was in 1607

Dictionary Entries Near boulder

Cite this Entry

“Boulder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boulder. Accessed 16 Apr. 2024.

Kids Definition

boulder

noun
boul·​der ˈbōl-dər How to pronounce boulder (audio)
: a large detached and rounded or worn mass of rock

Geographical Definition

Boulder

geographical name

Boul·​der ˈbōl-dər How to pronounce Boulder (audio)
city northwest of Denver in north central Colorado population 97,385

More from Merriam-Webster on boulder

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