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
Go into every conversation armed with rock-solid data and an insight-rich plan.
—Meghan Keough, Forbes.com, 2 Sep. 2025
Daniels -- who has thrown for 6,751 yards in five seasons in Lawrence -- is certainly capable of getting hot and leading the Jayhawks to a comfortable season-opening win, but Entz's rock-solid track record makes overlooking Fresno State dicey.
—Tyler Everett, MSNBC Newsweek, 23 Aug. 2025
For four decades their rock-solid partnership showed Austin at its lively best.
—Steve Sewall, Chicago Tribune, 18 Aug. 2025
The booming riffs of the trombones left space for the rhythm section — including a rock-solid Manny Oquendo on timbales — to breathe freely.
—Ernesto Lechner, Rolling Stone, 6 Aug. 2025
See All Example Sentences for rock-solid
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Meghan Keough, Forbes.com, 2 Sep. 2025
Daniels -- who has thrown for 6,751 yards in five seasons in Lawrence -- is certainly capable of getting hot and leading the Jayhawks to a comfortable season-opening win, but Entz's rock-solid track record makes overlooking Fresno State dicey.
—Tyler Everett, MSNBC Newsweek, 23 Aug. 2025
For four decades their rock-solid partnership showed Austin at its lively best.
—Steve Sewall, Chicago Tribune, 18 Aug. 2025
The booming riffs of the trombones left space for the rhythm section — including a rock-solid Manny Oquendo on timbales — to breathe freely.
—Ernesto Lechner, Rolling Stone, 6 Aug. 2025
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 8 Sep. 2025.
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