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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

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