Fast
Fast adjective - Moving, proceeding, or acting with great speed.
Solid as a rock and fast are semantically related In some cases you can use "Solid as a rock" instead an adjective "Fast".
Solid as a rock
Fast and solid as a rock are semantically related in fastened topic. You can use "Fast" instead an adjective phrase "Solid as a rock", if it concerns topics such as constant.
Mutual synonyms
Related pairs
Cite this Source
Solid as a rock and Fast. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/fast/solid_as_a_rock
Fast & Solid as a rock. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/fast/solid_as_a_rock>.
Solid as a rock or Fast. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/fast/solid_as_a_rock.