The state or quality of being solid. / Moral firmness; validity; truth; certainty. / (geometry) The solid contents of a body; volume; amount of enclosed space.

comparative form of solid: more solid

(obsolete) To make solid or firm; to solidify.

(medicine, obsolete) The doctrine that the solid parts of the body are the only parts that have vital properties and are susceptible to disease

plural of solidity

(programming, object-oriented programming) Acronym of Single responsibility, Open-closed, Liskov substitution, Interface segregation and Dependency inversion. (When followed, the created system will be more likely easy to maintain, and extend over time.)

Misspelling of soldier.

Solidly. / (not comparable, typography) Without spaces or hyphens.

(chemistry) A substance in the fundamental state of matter that retains its size and shape without need of a container (as opposed to a liquid or gas).

plural of solid