| noun | matter that is solid at room temperature and pressure |
| 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 |
| noun | a three-dimensional shape |
| adjective | characterized by good substantial quality “solid comfort” |
| adjective | of definite shape and volume; firm; neither liquid nor gaseous “ice is water in the solid state” |
| adjective | entirely of one substance with no holes inside “a solid block of wood” |
| adjective | of one substance or character throughout “solid gold” |
| adjective | uninterrupted in space; having no gaps or breaks “a solid line across the page” |
| adjective | providing abundant nourishment “a hearty meal” |
| adjective | of good quality and condition; solidly built “a solid foundation” |
| adjective | not soft or yielding to pressure “a firm mattress” |
| adjective | having three dimensions “a solid object” |
| adjective | impenetrable for the eye “solid blackness” |
| adjective | financially sound “the bank is solid and will survive this attack” |
| adjective | of a substantial character and not frivolous or superficial “work of solid scholarship” |
| adjective | meriting respect or esteem “an upstanding member of the community” |
| adjective | of the same color throughout “solid color” |
| adjective | acting together as a single undiversified whole “a solid voting bloc” |
| solidify | verb | become solid |
| solid | adjective | of definite shape and volume; firm; neither liquid nor gaseous |
| solidness | noun | the quality of being solid and reliable financially or factually or morally |
| solidity | noun | state of having the interior filled with matter |
| substantialness | noun | the quality of being substantial or having substance |
| firmness | noun | the property of being unyielding to the touch |
| unanimity | noun | everyone being of one mind |
| whole | noun | an assemblage of parts that is regarded as a single entity |
| wholeness | noun | an undivided or unbroken completeness or totality with nothing wanting |