Usually means: Extremely firm, unyielding to pressure.
Definitions Related words Mentions
We found 8 dictionaries that define the word rock-hard:

General (8 matching dictionaries)
  1. rock-hard: Merriam-Webster
  2. rock-hard: Oxford Learner's Dictionaries
  3. rock-hard, rock-hard: Collins English Dictionary
  4. rock-hard: Wordnik
  5. rock-hard: Wiktionary
  6. rock-hard: TheFreeDictionary.com

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Definitions from Wiktionary (
)
American English Definition British English Definition
▸ adjective:  Alternative spelling of rock hard [As tough, hard, or inflexible as a piece of rock.]

Similar:
rockhard, bone-hard, hard-headed, hard and fast, hardset, hard handed, hard-handed, die-hard, hardfisted, hard-hit, more...

Opposite:
soft, pliable, malleable, flexible, yielding

▸ Words similar to rock-hard

▸ Usage examples for rock-hard

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▸ Popular nouns described by rock-hard

▸ Words that often appear near rock-hard

▸ Rhymes of rock-hard

▸ Invented words related to rock-hard

Similar:
rockhard, bone-hard, hard-headed, hard and fast, hardset, hard handed, hard-handed, die-hard, hardfisted, hard-hit, more...

Opposite:
soft, pliable, malleable, flexible, yielding



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