noun. The condition or property of being solid.

noun. Soundness of mind, moral character, or finances.

noun. The state or property of being solid.

noun. The absolute impenetrability attributed by some metaphysicians to matter.

noun. Fullness of matter: opposed to hollowness.

noun. Massiveness; substantiality; hence, strength; stability.

noun. Strength and firmness in general; soundness; strength; validity; truth; certainty.

noun. In geometry, the quantity of space occupied by a solid body.

noun. A solid body or mass.

noun. 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.

noun. Moral firmness; soundness; strength; validity; truth; certainty; -- as opposed to weakness or fallaciousness.

noun. The solid contents of a body; volume; amount of inclosed space.

noun. The state or quality of being solid.

noun. Moral firmness; validity; truth; certainty.

noun. The solid contents of a body; volume; amount of inclosed space.

noun. the consistency of a solid

noun. the quality of being solid and reliable financially or factually or morally

noun. state of having the interior filled with matter

"Only I have thought the term solidity the more proper to express this idea, not only because of its vulgar use in that sense, but also because it carries something more of positive in it than impenetrability; which is negative, and is perhaps more a consequence of solidity, than solidity itself."

fluidity  hollowness  instability  openness  weakness  

geometrical solidity  measure of solidity  physical solidity  

dependability  dependableness  fullness  reliability  reliableness  

acidity  fluidity  humidity  liquidity  morbidity  

breadth  clearness  completeness  consistency  durability  

abidingness  aplomb  authenticity  authoritativeness  authority