1. Quizzes & Games
  2. Word of the Day
  3. Video
  4. New Words
 

boulder
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.

15 ENTRIES FOUND:
  1. boulder
  2. bouldering
  3. bowlder
  4. boulder beach
  5. boulder belt
  6. boulder clay
  7. boulder fern
  8. boulder pavement
  9. boulder raspberry
  10. boulder train
  11. Boulder Dam
  12. glacial boulder
  13. perched boulder
  14. Kalgoorlie-Boulder
  15. Hoover Dam

boul·der

noun \ˈbōl-dər\

Definition of BOULDER

: a detached and rounded or much-worn mass of rock
— boul·dered \-dərd\ adjective
— boul·dery \-d(ə-)rē\ adjective
See boulder defined for English-language learners »
See boulder defined for kids »

Variants of BOULDER

boul·der also bowl·der \ˈbōl-dər\

Origin of BOULDER

short for boulder stone, from Middle English bulder ston, part 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: 1617

Other Geology Terms

anthracite, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale

Rhymes with BOULDER

folder, holder, molder, polder, scolder, shoulder, smolder

Boul·der

geographical name \ˈbōl-dər\

Definition of BOULDER

city N cen Colorado pop 94,673

Learn More About BOULDER

Browse

Next Word in the Dictionary: boulder beach
Previous Word in the Dictionary: boulangerite
All Words Near: boulder

Seen & Heard

What made you want to look up boulder? Please tell us where you read or heard it (including the quote, if possible).

Name That Thing

Take Our 10-Question Quiz

#6: Flabbergast
: to overwhelm with shock,
surprise, or wonder
See All Top 25 Entries »
Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
iPhone | iPad | Android | More
Join Us on FB & Twitter
Get the Word of the Day and More
Facebook | Twitter