solid

adjective20

1. •
   firm enough to keep its own shape, unlike a liquid or a gas

   • Almost all metals are solid at room temperature.
2. •
   Strong or unyielding.

   • As in the 1-0 win against Norway in Oslo, this was an England performance built on the foundations of solid defence and tactical discipline. — 2012
3. •
   Sound; not weak.
4. •
   Worthy of credit, trust, or esteem; substantial; not frivolous or fallacious.

   • These are they, who wanting Wit, affect Gravity, and go by the name of Solid men: and a solid man is, in plain English, a solid, solemn Fool. — 1675
5. •
   (slang) Excellent, of high quality, or reliable.

   • That's a solid plan.
   • Radiohead's on tour! Have you heard their latest album yet? It's quite solid.
6. •
   Lacking holes, hollows or admixtures of other materials.

   • The cane was undoubtedly of foreign make, for it had a solid silver ferrule at one end, which was not English hall–marked. — 1904
7. •
   Of a single color throughout.

   • John painted the walls solid white.
   • He wore a solid shirt with floral pants.
8. •
   Continuous and heavy.

   • He was covered in a fine mist by then, the night skies growing more saturated by the hour. It would be a nice, solid rain before long, he figured. — 2011
9. •
   Written as one word, without spaces or hyphens.

   • American English writes many words as solid that British English hyphenates.
10. •
    Not having the lines separated by leads; not open.
11. •
    Continuous; unbroken; not dotted or dashed.

    • The solid lines show roads, and the dotted lines footpaths.
12. •
    Entire, complete.
13. •
    Appreciably large in size, quantity, or value.

    • Almost a quarter of a million copies is really a solid number for today's record industry. In fact, that number is more than the last two number one albums — 2015
14. •
    Hearty; filling.
15. •
    United.
16. •
    (US, slang) United; without division; unanimous.

    • The delegation is solid for a candidate.
17. •
    (old-fashioned) Intimately allied or friendly with.

    • I wanted to get solid with him for a time while he lived, but I believe he might have been worked into Paradise with half the scheming that was necessary before he deigned to look favorably upon me. — 1895
18. •
    Measured as a single solid, as the volumes of individual pieces added together without any gaps.
19. •
    (old-fashioned) Having all the geometrical dimensions; cubic.

    • A solid foot contains 1,728 solid inches.
20. •
    Financially well off; wealthy.

noun5

1. •
   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).
2. •
   [in the plural] Food which is not liquid-based.

   • The doctor said I can't eat any solids four hours before the operation.
3. •
   (informal) A favor.

   • Please do me a solid: lend me your car for one week.
   • I owe him; he did me a solid last year.
4. •
   A three-dimensional figure (as opposed to a surface, an area, or a curve).
5. •
   An article of clothing which is of a single color throughout.

   • I prefer solids over paisleys.

adverb2

1. •
   Solidly.

   • True, not ten of these mines were yielding rock worth hauling to a mill, but everybody said, "Wait till the shaft gets down where the ledge comes in solid, and then you will see!" — 1870
2. •
   Without spaces or hyphens.

   • Many long-established compounds are set solid.

noun1

1. •
   Acronym of single responsibility, open-closed, Liskov substitution, interface segregation and dependency inversion, a set of design principles promoting maintainability and extensibility.