Definition of "Solid" :
noun: a three-dimensional shape
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: matter that is solid at room temperature and pressure
adjective: uninterrupted in space; having no gaps or breaks
"A solid line across the page."
adjective: impenetrable for the eye
adjective: having three dimensions
"A cube is a solid figure with six sides."
adjective: acting together as a single undiversified whole
"A solid voting bloc."
adjective: characterized by good substantial quality
adjective: not soft or yielding to pressure
adjective: of one substance or character throughout
adjective: of the same color throughout
adjective: meriting respect or esteem
adjective: of a substantial character and not frivolous or superficial
"Work of solid scholarship."
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: financially sound
"The bank is solid and will survive this attack."
adjective: of good quality and condition; solidly built
"A solid foundation."
adjective: providing abundant nourishment
"Good solid food."