(adj): vs. bad) -- (having desirable or positive qualities especially those suitable for a thing specified
(adj): vs. liquid) (vs. gaseous) -- (of definite shape and volume; firm; neither liquid nor gaseous
(adj): changed into a solid mass
(adj): formed by the coalescence of particles
(adj): congealed into jelly; solidified by cooling
(adj): used of solid substances in contrast with liquid ones
(adj): partly solid; having a rigidity and viscosity intermediate between a solid and a liquid
(adj): consisting of semiconductor materials and components and related devices
(adj): characteristic of or relating to the physical properties of solid materials especially electromagnetic or thermodynamic or structural properties of crystalline solids
(adj): vs. hollow) -- (entirely of one substance with no holes inside
(adj): being the same substance throughout
(adj): of one substance or character throughout
(adj): vs. heterogeneous), homogenous -- (all of the same or similar kind or nature
(adj): uninterrupted in space; having no gaps or breaks
(adj): vs. broken) -- (marked by continuous or uninterrupted extension in space or time or sequence
(adj): providing abundant nourishment
(adj): vs. unwholesome) -- (conducive to or characteristic of physical or moral well-being
(adj): of good quality and condition; solidly built
(adj): vs. unsound) -- (in good condition; free from defect or damage or decay
(adj): not soft or yielding to pressure
(adj): vs. soft) -- (resisting weight or pressure
(adj): having three dimensions
(adj): vs. linear) (vs. planar), three-dimensional -- (having three dimensions
(adj): impenetrable for the eye
(adj): vs. clear) -- (not transmitting or reflecting light or radiant energy; impenetrable to sight
(adj): financially sound
(adj): vs. unsound) -- (financially secure and safe
(adj): of a substantial character and not frivolous or superficial
(adj): vs. frivolous) -- (concerned with work or important matters rather than play or trivialities
(adj): meriting respect or esteem
(adj): vs. unrespectable) -- (characterized by socially or conventionally acceptable morals
(adj): of the same color throughout
(adj): vs. heterogeneous), homogenous -- (all of the same or similar kind or nature
(adj): acting together as a single undiversified whole
(adj): vs. diversified) -- (not diversified
(n): matter that is solid at room temperature and pressure
(n): that which has mass and occupies space
(n): 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
(n): (chemistry) the three traditional states of matter are solids (fixed shape and volume) and liquids (fixed volume and shaped by the container) and gases (filling the container)
(n): a three-dimensional shape
(n): the spatial arrangement of something as distinct from its substance
Better than liquid or gas ;)