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 Some boulders are decorated with petroglyphs older than all of our leading presidential candidates put together. Christopher Reynolds, Los Angeles Times, 31 May 2024 Big rock boulders placed down by Orange County Transporation Authority line the beach in San Clemente, where the rail line is at risk from the sea. Laylan Connelly, Orange County Register, 31 May 2024 In a brief hiccup in the weather, the sun comes out from behind a moving boulder of black clouds, and its warmth is regenerative. Emily Zebel, Longreads, 23 May 2024 While in that part of the state, Hendricks donned a wetsuit and went underwater to capture life in the Savage River — a brook trout foraging among boulders for aquatic insects; minnows devouring a caterpillar; a wood turtle, a crayfish and the large salamander known as the Eastern hellbender. Dan Rodricks, Baltimore Sun, 5 Apr. 2024 See all Example Sentences for boulder 

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 8 Jun. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!