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The boulder, for one thing, was only some twenty feet high.—D. T. Max, New Yorker, 15 Sep. 2025 Tracking the moon’s rolling stones Finding recent boulder falls on the moon has been a long-standing challenge.—Rupendra Brahambhatt, Interesting Engineering, 14 Sep. 2025 One of the most striking features lies between the kitchen and the dining room, where water runs over a massive boulder from the Flatirons.—Tori Latham, Robb Report, 10 Sep. 2025 After the ice melted some 600,000 years ago, the 28-ton red Siouxan quartzite boulder stood more than 10 feet above the water.—Chadd Scott, Forbes.com, 10 Sep. 2025 See All Example Sentences for boulder
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
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