Boulder
7 lettersnouncommonUpdated June 2026
Definition
A large rock, typically one that has been worn smooth by erosion. A detached and rounded or weathered rock mass.
“A massive boulder blocked the mountain path after the landslide.”
Pronunciation
IPA
/ˈbəʊl.də(r)/
Syllables
boul·der
Related Words
Word Game Tips
🟩
Wordle
Contains OU diphthong; -ER ending
🔤
Scrabble
10 points; good vowel distribution
Words Related to Boulder
Explore Similar Words
Try These Tools
Dictionary References
Look up boulder in an authoritative dictionary for full definitions, pronunciation, and etymology.

Ready to test your word skills?
Download Word Challenge for unlimited word puzzles, a fresh Daily Challenge, and head-to-head multiplayer. Guess the hidden word in six tries or fewer!