1. [adjective] In the state of a solid; not fluid.
2. [adjective] Large, massive.
3. [adjective] Lacking holes or hollows; as solid gold, solid chocolate.
4. [adjective] Strong or unyielding.
5. [adjective] (slang) Excellent, of high quality, or reliable.
6. [adjective] Hearty; filling.
7. [adjective] Worthy of credit, trust, or esteem; substantial; not frivolous or fallacious.
8. [adjective] Sound; not weakly.
9. [adjective] (typography) Written as one word, without spaces or hyphens.
10. [adjective] (printing) (dated) Not having the lines separated by leads; not open.
11. [adjective] (US) (politics) (slang) United; without division; unanimous.
12. [adjective] Of a single color throughout.
13. [adjective] (dated) Having all the geometrical dimensions; cubic.
14. [noun] (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).
15. [noun] (geometry) A three-dimensional figure (as opposed to a surface, an area, or a curve).
16. [noun] (informal) A favor.
17. [noun] An article of clothing which is of a single color throughout.
18. [noun] (in the plural) Food which is not liquid-based.
19. [adverb] Solidly.
20. [adverb] (not comparable) (typography) Without spaces or hyphens.
21. [noun] Matter that is solid at room temperature and pressure.
22. [noun] The state in which a substance has no tendency to flow under moderate stress; resists forces (such as compression) that tend to deform it; and retains a definite size and shape.
23. [noun] A three-dimensional shape.
24. [adjective] Characterized by good substantial quality; 'solid comfort'; 'a solid base hit'.
25. [adjective] Of definite shape and volume; firm; neither liquid nor gaseous; 'ice is water in the solid state'.
26. [adjective] Entirely of one substance with no holes inside; 'a solid block of wood'.
27. [adjective] Of one substance or character throughout; 'solid gold'; 'carved out of solid rock'.
28. [adjective] Uninterrupted in space; having no gaps or breaks; 'a solid line across the page'; 'solid sheets of water'.
29. [adjective] Providing abundant nourishment; 'a hearty meal'; 'good solid food'; 'ate a substantial breakfast'; 'four square meals a day'.
30. [adjective] Of good quality and condition; solidly built; 'a solid foundation'; 'several substantial timber buildings'.
31. [adjective] Not soft or yielding to pressure; 'a firm mattress'; 'the snow was firm underfoot'; 'solid ground'.
32. [adjective] Having three dimensions; 'a solid object'.
33. [adjective] Impenetrable for the eye; 'solid blackness'.
34. [adjective] Financially sound; 'the bank is solid and will survive this attack'.
35. [adjective] Of a substantial character and not frivolous or superficial; 'work of solid scholarship'; 'based on solid facts'.
36. [adjective] Meriting respect or esteem; 'an upstanding member of the community'.
37. [adjective] Of the same color throughout; 'solid color'.
38. [adjective] Acting together as a single undiversified whole; 'a solid voting bloc'.
39. [acronym] (programming) (object-oriented) 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.)
