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
Most recently, the Gamecocks two-stepped past the Longhorns for the SEC Tournament title, finishing a 64-45 beatdown behind rock-solid defense and a big Chloe Kitts game.
—Steven Louis Goldstein, New York Times, 4 Apr. 2025
One-third of NFL teams are rock-solid at the key position led by Patrick Mahomes, Josh Allen and Lamar Jackson.
—Greg Cote, Miami Herald, 3 Apr. 2025
The good news here is that the large cast – Clooney most definitely included – offer up rock-solid performances even though they, like Clooney’s outsize charm, too often get swallowed up in Scott Pask’s large, busy TV studio set design.
—Greg Evans, Deadline, 3 Apr. 2025
Matt Painter's team boasts a stud at point guard in Big Ten POY Braden Smith, and Trey Kaufman-Renn and Fletcher Loyer are both rock-solid veteran role players, but Houston is a buzzsaw.
—Kevin Sabet, Newsweek, 24 Mar. 2025
See All Example Sentences for rock-solid
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Steven Louis Goldstein, New York Times, 4 Apr. 2025
One-third of NFL teams are rock-solid at the key position led by Patrick Mahomes, Josh Allen and Lamar Jackson.
—Greg Cote, Miami Herald, 3 Apr. 2025
The good news here is that the large cast – Clooney most definitely included – offer up rock-solid performances even though they, like Clooney’s outsize charm, too often get swallowed up in Scott Pask’s large, busy TV studio set design.
—Greg Evans, Deadline, 3 Apr. 2025
Matt Painter's team boasts a stud at point guard in Big Ten POY Braden Smith, and Trey Kaufman-Renn and Fletcher Loyer are both rock-solid veteran role players, but Houston is a buzzsaw.
—Kevin Sabet, Newsweek, 24 Mar. 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 12 Apr. 2025.
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