Word.ws English Dictionary

rock solid

rock solid adjective: physically very solid; very difficult to move.

Adjective

rock solid (comparative more rock solid, superlative most rock solid)

  1. Physically very solid; very difficult to move.
  2. (figuratively) Very strong and dependable.
    • Wolfgang Schäuble said on Tuesday he had “no concerns” about Deutsche Bank, speaking shortly after John Cryan, who was appointed to run Germany’s biggest bank seven months ago, sent an email to his 100,000 staff to assure them the bank was “absolutely rock solid”.2016 February 9, Jill Treanor, quoting John Cryan, “Deutsche boss tells staff the bank is ‘rock solid’ as shares slide”, in The Guardian

Synonyms of rock solid

Forms of rock solid

comparativemore rock solid
superlativemost rock solid

Questions about rock solid

What does rock solid mean?
Rock solid means physically very solid; very difficult to move.
What part of speech is rock solid?
Rock solid is an adjective.

Words near rock solid in the dictionary

  1. rock slams
  2. rock snake
  3. rock snakes
  4. rock snot
  5. rock soap
  6. rock solid
  7. rock someone's socks
  8. rock someone's socks off
  9. rock someone's world
  10. rock sparrow
  11. rock spider

Source and license

Adapted from Wiktionary: rock solid (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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