solidness in a sentence

Definition

Solidness: the quality of being firm, stable, and reliable in structure or reasoning.

The solidness of the foundation ensured that the building could withstand severe weather conditions.
She admired the solidness of his arguments, which were backed by extensive research and evidence.
The rock's solidness made it the perfect choice for the base of the sculpture.
In moments of uncertainty, his calm demeanor provided a solidness that reassured everyone around him.
The solidness of their friendship was evident in the way they supported each other through tough times.