solid (EN)

adjective, noun

adjective “solid”

1. having a fixed shape and volume; not liquid or gas
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   At room temperature, iron is a solid metal.
2. firm and strong; not easily broken or damaged
   The bridge is built on solid steel beams to withstand heavy loads.
3. not hollow; completely filled or made of the same material throughout
   The statue was carved from a solid block of marble.
4. reliable and trustworthy; of good and consistent quality
   She has always been a solid friend who is there when I need her.
5. (of a time period) uninterrupted or continuous; without breaks
   He studied for a solid eight hours before the exam.
6. (informal, of ideas, thoughts etc.) good; worthy of implementing or following
   That's a solid idea for the project!
7. good and stable but not exceptional
   He's a solid player the team can count on.
8. (geometry) three-dimensional
   In geometry class, we learned about solid figures like cubes and spheres.
9. (of a color) uniform; with no other colors mixed in
   He prefers to wear solid colors rather than patterns.
10. (of a line) continuous and unbroken; not dotted or dashed
    The solid lines on the map indicate main roads, while dashed lines show footpaths.

noun “solid”

1. a substance that retains its shape and volume; not a liquid or gas
   At room temperature, most metals are solids.
2. (geometry) a three-dimensional figure having length, width, and height
   In geometry class, we studied various solids like cubes and pyramids.