• (America) enPR: sŏl'ĭd, IPA: /ˈsɑlɪd/
• (RP) IPA: /ˈsɒlɪd/

solid

1. (of an object or substance) That can be picked up or held, having a texture, and usually firm. Unlike a liquid or a gas.

   Almost all metals are solid at room temperature.

2. Large in size, quantity, or value.

   Synonyms: massive, substantial

3. Lacking holes, hollows or admixtures of other materials.

   solid gold

   solid chocolate

4. Strong or unyielding.

   a solid foundation

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.

   I don't think Dave would have done that. He's a solid dude.

6. Hearty; filling.

   a solid meal

7. Worthy of credit, trust, or esteem; substantial; not frivolous or fallacious.
   • 1670, John Milton, The History of Britain, […] , London: Printed by J.M. for James Alleſtry, […] , OCLC 78038412 ↗:

     the solid purpose of a sincere and virtuous answer

   • These, wanting wit, affect gravity, and go by the name of solid men.

   • The genius of the Italians wrought by solid toil what the myth-making imagination of the Germans had projected in a poem.

8. Financially well off; wealthy.
9. Sound; not weak.

   a solid constitution of body

10. (typography) Written as one word, without spaces or hyphens.

    cot en

    American English writes many words as solid that British English hyphenates.

11. (printing, dated) Not having the lines separated by leads; not open.
12. (US, politics, slang) United; without division; unanimous.

    The delegation is solid for a candidate.

13. Of a single color throughout.

    John painted the walls solid white.

    He wore a solid shirt with floral pants.

14. (of drawn lines) Continuous; unbroken; not dotted or dashed.

    The solid lines show roads, and the dotted lines footpaths.

15. (dated) Having all the geometrical dimensions; cubic.

    A solid foot contains 1,728 solid inches.

• French: solide
• German: fest
• Italian: solido
• Portuguese: sólido
• Russian: твёрдый
• Spanish: sólido

• French: massif
• German: fest, massiv
• Italian: massiccio
• Portuguese: massivo
• Russian: кру́пный
• Spanish: masivo

• French: plein
• German: kompakt
• Italian: compatto, massiccio
• Portuguese: sólido
• Russian: сплошно́й
• Spanish: sólido, macizo

• French: plein
• German: deftig
• Italian: massiccio
• Portuguese: saciador
• Russian: сы́тный

• French: solide
• German: solide, robust
• Italian: solido
• Portuguese: sólido
• Russian: кре́пкий

• French: solide
• German: bündig
• Portuguese: sólido
• Russian: це́льный

• French: continu, (adverb) en un seul mot
• German: zusammenschreiben
• Italian: continuo, unito
• Portuguese: contínuo, junto
• Russian: це́льный
• Spanish: continuo, junto

• German: einfarbig
• Italian: tinta unica, tinta unita
• Russian: одноцве́тный

solid (plural solids)

1. (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).
2. (geometry) A three-dimensional figure (as opposed to a surface, an area, or a curve).
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. An article of clothing which is of a single color throughout.

   I prefer solids over paisleys.

5. (in the plural) Food which is not liquid-based.

   The doctor said I can't eat any solids four hours before the operation.

• French: solide
• German: Festkörper, Feststoff
• Italian: solido
• Portuguese: sólido
• Russian: твёрдое те́ло
• Spanish: sólido

• French: solide
• German: Körper
• Italian: solido
• Portuguese: sólido
• Russian: те́ло
• Spanish: sólido, cuerpo

• Italian: tinta unita

solid

1. Solidly.
   • 1960, P[elham] G[renville] Wodehouse, chapter XVI, in Jeeves in the Offing, London: Herbert Jenkins, OCLC 1227855 ↗:

     She was telling Bobbie about the time when Boko Fittleworth was trying to ingratiate himself with your Uncle Percy, and you very sportingly offered to go and call your Uncle Percy a lot of offensive names, so that Boko, hovering outside the door, could come in and stick up for him, thus putting himself in solid with him.

2. (not comparable, typography) Without spaces or hyphens.

   Many long-established compounds are set solid.

solid

1. (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.