​. hard; not in the form of a liquid or gas · ​. having no holes or spaces inside; not hollow · ​(of a line) without spaces; continuous · ​ · ​strong and made well.

1hard or firm; not in the form of a liquid or gas The planet Jupiter may have no solid surface at all. · 2having no holes or spaces inside; not hollow They were ...

solid · ​. a substance or an object that is solid, not a liquid or a gas. liquids and solids; on solids The baby is not yet on solids (= eating solid food). · ​.

1a substance or an object that is solid, not a liquid or a gas liquids and solids The baby is not yet on solids (= eating solid food).

What does the adjective solid mean? There are 50 meanings listed in OED's entry for the adjective solid, two of which are labelled obsolete. See 'Meaning & use' ...

There are 12 meanings listed in OED's entry for the noun solid. See 'Meaning & use' for definitions, usage, and quotation evidence.

A state of matter in which there is a three-dimensional regularity of structure, resulting from the proximity of the component atoms, ions, or molecules and ...

Definition of solid-state adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, ...

rock solid · ​that you can trust not to change or to disappear. The support for the party was rock solid. Take your English to the next level. The Oxford ...

adjective. adjective. 1that you can trust not to change or to disappear The support for the party was rock solid.