Having the constituent parts so compact, or so firmly adhering,
as to resist the impression or penetration of other bodies; having a
fixed form; hard; firm; compact; -- opposed to fluid and
liquid or to plastic, like clay, or to incompact,
like sand.
Not hollow; full of matter; as, a
solid globe or cone, as distinguished from a hollow one;
not spongy; dense; hence, sometimes, heavy.
Having all the geometrical
dimensions; cubic; as, a solid foot contains 1,728 solid
inches.
Firm; compact; strong; stable; unyielding;
as, a solid pier; a solid pile; a solid
wall.
Applied to a compound word whose parts are
closely united and form an unbroken word; -- opposed to
hyphened.
Fig.: Worthy of credit, trust, or esteem;
substantial, as opposed to frivolous or fallacious;
weighty; firm; strong; valid; just; genuine.
Sound; not weakly; as, a solid
constitution of body.
Of a fleshy, uniform,
undivided substance, as a bulb or root; not spongy or hollow within,
as a stem.
Impenetrable; resisting or
excluding any other material particle or atom from any given portion
of space; -- applied to the supposed ultimate particles of
matter.
Not having the lines
separated by leads; not open.
United; without division; unanimous; as,
the delegation is solid for a candidate.
In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 
