solid as a rock

idiom

Definition of solid as a rock

: 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 11 Aug. 2022.

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