Answer:

solid

Answer	Crossword Clue
SOLID	Irrefutable
SOLID	Dependable
SOLID	Uninterrupted

SOLID	Like a cube
SOLID	Three-dimensional
SOLID	Firm
SOLID	Not hollow
SOLID	Cube, for one
SOLID	Hardly flimsy
SOLID	Kind of geometry
SOLID	Cone, for one

SOLID	Reliable
SOLID	Like a good alibi
SOLID	Well-grounded
SOLID	Cube or sphere
SOLID	Not liquid or gas
SOLID	Reliable, as a citizen
SOLID	Like a rock
SOLID	Well-built

SOLID	All muscle
SOLID	Sturdy
SOLID	Well-constructed
SOLID	Unbroken
SOLID	Ball below the nine
SOLID	Like some chocolate bunnies
SOLID	Three-dimensional shape
SOLID	Cube or sphere, e.g.

SOLID	Tried-and-true
SOLID	A state of matter
SOLID	Pure, as gold
SOLID	One of the four states of matter
SOLID	... as a rock
SOLID	Pool ball type
SOLID	Sturdily built
SOLID	Not flimsy

SOLID	Phase in which particle motion is at its slowest
SOLID	Reminiscent of the Rock of Gibraltar
SOLID	Not striped, as a pool ball
SOLID	Geometric figure
SOLID	Hard