The state or quality of being solid; density; consistency, -- opposed to fluidity; compactness; fullness of matter, -- opposed to openness or hollowness; strength; soundness, -- opposed to weakness or instability; the primary quality or affection of matter by which its particles exclude or resist all others; hardness; massiveness.
Moral firmness; soundness; strength; validity; truth; certainty; -- as opposed to weakness or fallaciousness; as, the solidity of arguments or reasoning; the solidity of principles, triuths, or opinions.
The solid contents of a body; volume; amount of inclosed space.
The known is finite, the unknown infinite; intellectually we stand on an islet in the midst of an illimitable ocean of inexplicability. Our business in every generation is to reclaim a little more land, to add something to the extent and the solidity of our possessions. Thomas Huxley
We never think that our mothers will die. It was like suddenly an abyss opened at my feet - I was standing on nothing. It was the strangest thing. Her passing away ripped the solidity out of the world. Ben Okri
The strongest thing that any human being has going is their own integrity and their own heart. As soon as you start veering away from that, the solidity that you need in order to be able to stand up for what you believe in and deliver what's really inside, it's just not going to be there. Herbie Hancock