solid as a rock

phrase

: very strong or solid
His muscles are solid as a rock.

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solidarize
solid as a rock
solid board
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Cite this Entry

“Solid as a rock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solid%20as%20a%20rock. Accessed 12 Mar. 2026.

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