There are 2 main definitions of boulder in English:

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boulder 1

Pronunciation: /ˈbōldər/

noun

A large rock, typically one that has been worn smooth by erosion.
Example sentences
  • The organisation said the most numerous relics were rock carvings found on boulders and outcrops.
  • The trail narrowed, weaving round giant boulders and overhangs of smooth rock.
  • The reverie was broken as if someone hurled a boulder into a smooth flowing stream.
Synonyms

Derivatives

bouldery

adjective
Example sentences
  • A bouldery summit with a large cairn looms large, fooling many into believing this is the summit.
  • The Spey snakes between rolling hills, with stretches of bouldery rapids and limpid pools where salmon leap and plop.
  • Flanagan lowered his close-shaved, bouldery head, studied me with unwavering eyes, then took a swallow from his pint.

Origin

Late Middle English: shortened from earlier boulderstone, of Scandinavian origin.

Words that rhyme with boulder

beholder, folder, holder, moulder (US molder), polder, scolder, shoulder, smoulder (US smolder), upholder, withholder

For editors and proofreaders

Syllabification: boul·der

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There are 2 main definitions of boulder in English:

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Boulder 2

Pronunciation: /ˈbōldər/
A city in north central Colorado, northwest of Denver, home to the University of Colorado; population 94,171 (est. 2008).

For editors and proofreaders

Syllabification: Boul·der

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