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Definitions

rock-bound

[rok-bound] / ˈrɒkˌbaʊnd /
ADJECTIVE
craggy
Synonyms
STRONGEST
precipitous rocky rugged stony
WEAK
asperous broken cragged harsh rough scabrous scraggy uneven unlevel unsmooth
Antonyms
STRONGEST
flat smooth

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