The phrase "solid rock" refers to something that is strong, stable, and dependable. It can describe a person who is reliable and steadfast, or it can refer to a foundation or support that is secure and unshakeable.
Sentences with «solid rock»
What else could possibly force contaminants through long distances underground, through layers of solid rock? (propublica.org)
The path includes sections with steps and stairs carved into solid rock, the walk takes about 1 hour, variable time according to the physical condition of the person. (ticketmachupicchu.com)
The house was spared in part because it was built on solid rock and also because its earlier owners took precautions after a previous flood and raised the dwelling on higher concrete foundations. (remonline.com)