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Discover LudwigThe phrase "a rock solid" is correct and usable in written English.
It is typically used to describe something that is very strong, reliable, or dependable.
Example: "The company's financial position is rock solid, ensuring stability for future investments."
Alternatives: "extremely reliable" or "unshakeable."
Exact(31)
He's a rock solid reporter".
It was a rock solid case".
All three sources agree the prosecution has a "rock solid" case.
We consider him a rock solid QB2 option worth taking ahead of Andrew Luck.
China is simply a modish backdrop for a rock solid slice of family-friendly entertainment.
This is a highly cash generative business, with a rock solid track record.
Similar(29)
"Andy is a rock-solid man.
I produced a rock-solid work.
Still, this is hardly a rock-solid judgment.
The end result has been a rock-solid defense.
An interesting price for a rock-solid team.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com