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Showing results for boulder.
Definitions

boulder

[bohl-der] / ˈboʊl dər /
NOUN
megalith
Synonyms
STRONG
cromlech monolith
WEAK
standing stone
NOUN
rock
Synonyms
STRONGEST
earth gravel lava metal rubble slab
STRONG
bedrock cobblestone crag crust lodge mass mineral ore pebble promontory quarry reef shelf slag
NOUN
slab
Synonyms
STRONGEST
hunk ingot lump piece plate rod slice stone strip wedge
STRONG
bar billet bit board chip cut cutting muck portion stave stick
Antonyms
STRONGEST
whole
NOUN
stone
Synonyms
STRONGEST
gem gravel metal mineral pebble rock
STRONG
crag jewel masonry ore stonework

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As Ryland works to translate Rocky’s language and build a system for the two to communicate, the bond formed between human and pentapedal boulder is palpable.

From Salon • Mar. 21, 2026

Using this information, the AI identified important surface features such as bedrock, outcrops, boulder fields, and sand ripples.

From Science Daily • Jan. 31, 2026

Check out the three-foot icicles dripping from the eaves and keep an eye out for the big boulder by the fire station on the right.

From Los Angeles Times • Jan. 29, 2026

The two meet regularly to take on a terrifying nearby boulder.

From The Wall Street Journal • Jan. 23, 2026

The weight of her gaze is heavier than a boulder.

From "The Manifestor Prophecy" by Angie Thomas

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.