rock-solid

adjective

rock-sol·​id ˈräk-ˈsä-ləd How to pronounce rock-solid (audio)
variants or rock solid
: completely or perfectly solid (as because of great strength or dependability)
supported by a rock-solid foundation
She has a rock-solid reputation.
Their relationship was rock solid.
… she moved in an artificial world without ever losing her rock-solid integrity.Walter Clemons
He is right to imply that the political structure is a little shaky—it was a myth that it was ever rock solid.Xan Smiley

Examples of rock-solid in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Its balance sheet remains rock-solid with $111 billion in total assets compared to $32 billion in total liabilities in its 2025 fiscal year. Preston Fore, Fortune, 10 July 2025 On the other hand, Trump's support remains rock-solid in his conservative base: Wyoming (67 percent approve), Idaho (65 percent) and South Dakota (62 percent) still show strong majorities backing him. Martha McHardy, MSNBC Newsweek, 10 July 2025 Mahomes also is coming off a Super Bowl defeat and doesn’t have rock-solid abs, so perhaps the criticism this week is a good sign for the Chiefs. Pete Grathoff july 9, Kansas City Star, 9 July 2025 Both are rock-solid performers with deep catalogs from which to draw. George Varga, San Diego Union-Tribune, 3 July 2025 See All Example Sentences for rock-solid

Word History

First Known Use

1871, in the meaning defined above

Time Traveler
The first known use of rock-solid was in 1871

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Cite this Entry

“Rock-solid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rock-solid. Accessed 16 Jul. 2025.

Last Updated: - Updated example sentences
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