rock-solid
adjective
rock-sol·id
ˈräk-ˈsä-ləd 
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
Walter ClemonsHe is right to imply that the political structure is a little shaky—it was a myth that it was ever rock solid.—Xan Smiley
Xan SmileyExamples of rock-solid in a Sentence
Recent Examples on the Web
Like Scamp, the company leverages its reputation for building rock-solid, long-lasting campers toward offering an even tougher breed of trailer, built for adventures that carry well beyond organized campgrounds.
—C.c. Weiss
may 10, New Atlas, 10 May 2026
Ruth is an extraordinary heroine, rock-solid strong in a completely unshowy, sincere, vulnerable way.
—Literary Hub, 7 May 2026
In its second season, The Pitt remains a rock-solid procedural, with Noah Wyle continuing to hold down the show’s earnest, intense, hardworking team of doctors and nurses.
—Roxana Hadadi, Vulture, 4 May 2026
Onyemata was one of the free-agent signings the Jets got the most praise for — a rock-solid veteran defensive tackle who can help in both the run and pass game.
—Zack Rosenblatt, New York Times, 27 Apr. 2026
See All Example Sentences for rock-solid
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C.c. Weiss
may 10, New Atlas, 10 May 2026
Ruth is an extraordinary heroine, rock-solid strong in a completely unshowy, sincere, vulnerable way.
—Literary Hub, 7 May 2026
In its second season, The Pitt remains a rock-solid procedural, with Noah Wyle continuing to hold down the show’s earnest, intense, hardworking team of doctors and nurses.
—Roxana Hadadi, Vulture, 4 May 2026
Onyemata was one of the free-agent signings the Jets got the most praise for — a rock-solid veteran defensive tackle who can help in both the run and pass game.
—Zack Rosenblatt, New York Times, 27 Apr. 2026
See All Example Sentences for rock-solid
Cite this Entry
“Rock-solid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rock-solid. Accessed 17 May. 2026.
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