solid

solid - noun

matter that is solid at room temperature and pressure

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

a three-dimensional shape

solid - adjective

of definite shape and volume; firm; neither liquid nor gaseous
entirely of one substance with no holes inside
characterized by good substantial quality
of one substance or character throughout
uninterrupted in space; having no gaps or breaks
providing abundant nourishment
of good quality and condition; solidly built
not soft or yielding to pressure
having three dimensions
impenetrable for the eye
financially sound
of a substantial character and not frivolous or superficial
meriting respect or esteem
of the same color throughout
acting together as a single undiversified whole

solid - thesaurus

firm hearty satisfying solidness square strong substantial unanimous upstanding whole