Word.ws English Dictionary

solid as a rock

solid as a rock adjective: extremely thick and heavy, so as to make it impossible to move.

Adjective

solid as a rock (not comparable)

  1. (simile) Extremely thick and heavy, so as to make it impossible to move.
    • We're not going to be able to break down this door: it's solid as a rock.
    Synonyms:
    rock solid
  2. (simile) Very reliable and dependable
    • Stewart has been solid as a rock ever since becoming the new vice-chairman.
    Synonyms:
    rock solid

Synonyms of solid as a rock

Questions about solid as a rock

What does solid as a rock mean?
Solid as a rock means extremely thick and heavy, so as to make it impossible to move.
What part of speech is solid as a rock?
Solid as a rock is an adjective.

Words near solid as a rock in the dictionary

  1. solicitudes
  2. solicitudinous
  3. solid
  4. solid angle
  5. solid angles
  6. solid as a rock
  7. solid as Fort Knox
  8. solid as the Rock of Gibraltar
  9. solid compound
  10. solid compounds
  11. solid emulsion

Source and license

Adapted from Wiktionary: solid as a rock (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.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-solid as a rock.ogg.

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