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Showing results for rock-hard.

rock-hard

ADJECTIVE

adamant

Synonyms

STRONG

tough

WEAK

adamantine flinty impenetrable indestructible unbreakable

Antonyms

WEAK

flexible pliant soft submissive supple yielding

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