Usually means: Extremely stable, reliable, and strong.
Definitions Related words Phrases Mentions
We found 12 dictionaries that define the word rock solid:

General (11 matching dictionaries)
  1. rock solid: Longman Dictionary of Contemporary English
  2. rock-solid, rock solid: Merriam-Webster
  3. rock solid: Oxford Learner's Dictionaries
  4. rock-solid, rock-solid, rock solid: Collins English Dictionary
  5. Rock-Solid, Rock-solid, rock-solid: Wordnik
  6. rock solid: Cambridge Advanced Learner's Dictionary
  7. rock solid: Wiktionary
  8. Rock Solid (Commodores album), Rock Solid: Wikipedia, the Free Encyclopedia
  9. rock-solid, rock solid: TheFreeDictionary.com

Slang (1 matching dictionary)
  1. rock solid: Urban Dictionary

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Definitions from Wiktionary (rock solid)

▸ adjective:  Physically very solid; very difficult to move.
▸ adjective:  (figuratively) Very strong and dependable.

Similar:
steady as a rock, solid, hard, solid as a rock, solid as the Rock of Gibraltar, sturdy, stalwart, stout, strong, steady, more...

Phrases:
Rock Solid Builds, more...

▸ Words similar to rock solid

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▸ Popular nouns described by rock solid

▸ Words that often appear near rock solid

▸ Rhymes of rock solid

▸ Invented words related to rock solid

Similar:
steady as a rock, solid, hard, solid as a rock, solid as the Rock of Gibraltar, sturdy, stalwart, stout, strong, steady, more...

Phrases:
Rock Solid Builds, more...



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