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
Despite the recent overheated rhetoric and both real and apparent rifts and shifts between the States and Europe, the routine fashion-weeks encampments of the makers and their clients from all walks of life exhibit a rock-solid stability.
—Guy Martin, Forbes.com, 28 Jan. 2026
The combo of the group’s power chord-mad riffs, frontman Klaus Meine’s cutting vocals and ear-turning accent, and, of course, Buchholz’s rock-solid rhythms positioned them for heavy-metal dominance in the rock-hungry Eighties.
—Kory Grow, Rolling Stone, 23 Jan. 2026
Beyond hauling vehicles, kids, and gear to support these missions, the Defender 130 offers critical backup as a rock-solid recovery vehicle in remote areas for kids with sensitive medical needs.
—Ted Alvarez, Outside, 15 Jan. 2026
Geoffroy has assembled a best-in-class team, who not only have the experience but have a rock-solid approach on what winning means, going forward.
—Lisa Lockwood, Footwear News, 14 Jan. 2026
See All Example Sentences for rock-solid
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Guy Martin, Forbes.com, 28 Jan. 2026
The combo of the group’s power chord-mad riffs, frontman Klaus Meine’s cutting vocals and ear-turning accent, and, of course, Buchholz’s rock-solid rhythms positioned them for heavy-metal dominance in the rock-hungry Eighties.
—Kory Grow, Rolling Stone, 23 Jan. 2026
Beyond hauling vehicles, kids, and gear to support these missions, the Defender 130 offers critical backup as a rock-solid recovery vehicle in remote areas for kids with sensitive medical needs.
—Ted Alvarez, Outside, 15 Jan. 2026
Geoffroy has assembled a best-in-class team, who not only have the experience but have a rock-solid approach on what winning means, going forward.
—Lisa Lockwood, Footwear News, 14 Jan. 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 4 Feb. 2026.
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