Princeton's WordNet

1. solid(noun)

   matter that is solid at room temperature and pressure

2. solid, solidness, solid state(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

3. solid(adj)

   a three-dimensional shape

4. solid(adj)

   characterized by good substantial quality

   "solid comfort"; "a solid base hit"

5. solid(adj)

   of definite shape and volume; firm; neither liquid nor gaseous

   "ice is water in the solid state"

6. solid(adj)

   entirely of one substance with no holes inside

   "a solid block of wood"

7. solid(adj)

   of one substance or character throughout

   "solid gold"; "carved out of solid rock"

8. solid(adj)

   uninterrupted in space; having no gaps or breaks

   "a solid line across the page"; "solid sheets of water"

9. hearty, satisfying, solid, square, substantial(adj)

   providing abundant nourishment

   "a hearty meal"; "good solid food"; "ate a substantial breakfast"; "four square meals a day"

10. solid, strong, substantial(adj)

    of good quality and condition; solidly built

    "a solid foundation"; "several substantial timber buildings"

11. firm, solid(adj)

    not soft or yielding to pressure

    "a firm mattress"; "the snow was firm underfoot"; "solid ground"

12. solid(adj)

    having three dimensions

    "a solid object"

13. solid(adj)

    impenetrable for the eye

    "solid blackness"

14. solid(adj)

    financially sound

    "the bank is solid and will survive this attack"

15. solid(adj)

    of a substantial character and not frivolous or superficial

    "work of solid scholarship"; "based on solid facts"

16. upstanding, solid(adj)

    meriting respect or esteem

    "an upstanding member of the community"

17. solid, self-colored, self-coloured(adj)

    of the same color throughout

    "solid color"

18. solid, unanimous, whole(adj)

    acting together as a single undiversified whole

    "a solid voting bloc"

Kernerman English Learner's Dictionary

1. solid(adjective)ˈsɒl ɪd

   reliable and able to be trusted

   a solid investment; a solid password to protect your computer; solid information you can trust

2. solidˈsɒl ɪd

   strong, well-built, and safe

   The foundation of the house looks solid.

3. solidˈsɒl ɪd

   (of a shape) having height, depth and width, not flat

   a solid cube

4. solidˈsɒl ɪd

   (of a color or line) continuous, unbroken

   Do you prefer the solid blue curtains or the stripes?; It'll print a solid line across the page.

5. solid(noun)ˈsɒl ɪd

   a hard substance, not liquid or gas

   Is glass a liquid or a solid?

6. solidˈsɒl ɪd

   a shape that has height, depth and width and is not flat

   ***a solid with six sides

Wiktionary

1. solid(Noun)

   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. solid(Noun)

   A three-dimensional figure (as opposed to a surface, an area, or a curve).

3. solid(Noun)

   Favor; a solid: a favor, a helpful deed; in solid: in favor.

4. solid(Noun)

   An article of clothing which is of a single color throughout.

   I prefer solids over paisleys.

5. solid(Noun)

   Food which is not liquid-based.

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

6. solid(Adverb)

   Without spaces or hyphens.

   Many long-established compounds are set solid.

7. solid(Adjective)

   In the solid state; not fluid.

8. solid(Adjective)

   Large, massive.

9. solid(Adjective)

   Lacking holes or hollows; as solid gold, solid chocolate.

10. solid(Adjective)

    Strong or unyielding; as a solid foundation.

11. solid(Adjective)

    Excellent, of high quality, or Infallible (hyperbole); a filling meal, foolproof concept, sound idea, notable work of art, or a person with integrity.

12. solid(Adjective)

    Written as one word, without spaces or hyphens.

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

13. solid(Adjective)

    Being of a single color throughout.

Origin: From solide (as an adjective), from solidus.

Webster Dictionary

1. Solid(adj)

   having the constituent parts so compact, or so firmly adhering, as to resist the impression or penetration of other bodies; having a fixed form; hard; firm; compact; -- opposed to fluid and liquid or to plastic, like clay, or to incompact, like sand

2. Solid(adj)

   not hollow; full of matter; as, a solid globe or cone, as distinguished from a hollow one; not spongy; dense; hence, sometimes, heavy

3. Solid(adj)

   having all the geometrical dimensions; cubic; as, a solid foot contains 1,728 solid inches

4. Solid(adj)

   firm; compact; strong; stable; unyielding; as, a solid pier; a solid pile; a solid wall

5. Solid(adj)

   applied to a compound word whose parts are closely united and form an unbroken word; -- opposed to hyphened

6. Solid(adj)

   fig.: Worthy of credit, trust, or esteem; substantial, as opposed to frivolous or fallacious; weighty; firm; strong; valid; just; genuine

7. Solid(adj)

   sound; not weakly; as, a solid constitution of body

8. Solid(adj)

   of a fleshy, uniform, undivided substance, as a bulb or root; not spongy or hollow within, as a stem

9. Solid(adj)

   impenetrable; resisting or excluding any other material particle or atom from any given portion of space; -- applied to the supposed ultimate particles of matter

10. Solid(adj)

    not having the lines separated by leads; not open

11. Solid(adj)

    united; without division; unanimous; as, the delegation is solid for a candidate

12. Solid(noun)

    a substance that is held in a fixed form by cohesion among its particles; a substance not fluid

13. Solid(noun)

    a magnitude which has length, breadth, and thickness; a part of space bounded on all sides

• soliedAfrikaans
• صُلْب، جامِدArabic
• твърдBulgarian
• sólidoPortuguese (BR)
• pevnýCzech
• festGerman
• fastDanish
• στερεόςGreek
• sólidoSpanish
• tahkeEstonian
• جامدFarsi
• kiinteäFinnish
• solideFrench
• מוּצָקHebrew
• ठोस, घनीभूतHindi
• krut,čvrstCroatian
• szilárdHungarian
• padatIndonesian
• fasturIcelandic
• solidoItalian
• 団体のJapanese
• 고체의Korean
• kietasLithuanian
• cietsLatvian
• pejalMalay
• vastDutch
• fast, i fast formNorwegian
• stałyPolish
• جامدPersian
• ډك، كلك، پنډ، جامد، نګه، بوب( لكه زر)، پوره (لكه پوره دوه ساعته) بشپړ، مكملPashto
• sólidoPortuguese
• solidRomanian
• твёрдыйRussian
• pevnýSlovak
• trdenSlovenian
• čvrstSerbian
• fastSwedish
• แข็งThai
• katıTurkish
• 固體的Chinese (Trad.)
• твердийUkrainian
• ٹھوس، ہموار، جامدUrdu
• thể rắnVietnamese
• 固体的Chinese (Simp.)