- 1hard or firm; not in the form of a liquid or gas The planet Jupiter may have no solid surface at all. The boat bumped against a solid object. She had refused all solid food. It was so cold that the stream had frozen solid. The boiler uses solid fuel.
without holes or spaces - 2having no holes or spaces inside; not hollow They were drilling through solid rock. The stores are packed solid (= very full and crowded) at this time of year.
- 3strong and made well These chains seem fairly solid. reliable
- 4that you can rely on; having a strong basis As yet, they have no solid evidence. His advice was always solid and practical. This provided a solid foundation for their marriage. The team was solid as a rock in defense. good but not special
- 5definitely good and steady but perhaps not excellent or special 2008 was a year of solid achievement. He's a solid player. material
- 6[only before noun] made completely of the material mentioned (that is, the material is not only on the surface) a solid gold bracelet period of time
- 7(informal) without a pause; continuous The essay represents a solid week's work. It rained for two hours solid this afternoon.
- 8of the color mentioned and no other color One cat is black and white, the other solid black. shape
- 9(geometry) a shape that is solid has length, width, and height and is not flat A cube is a solid figure. in agreement
- 10in complete agreement; agreed on by everyone The department was solid against the changes. The strike was solid, supported by all the members. see rock solid
not liquid/gas
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