solid
//ˈsɒlɪd//
Adjective
1
firm and stable in shape; not liquid or fluid
Water becomes solid when it freezes.
2
strongly made or constructed; sturdy and not easily broken
The table is made of solid wood and will last for years.
3
without any spaces or gaps; continuous
The wall is painted in solid blue.
4
reliable, dependable, or sound
She gave me some solid advice about my career.
5
of a single uniform color or tone
She wore a solid blue dress to the party.
Noun
solidsPlural
1
a substance or object that is solid rather than liquid or fluid
Ice is a solid, but water is a liquid.
2
a three-dimensional geometric figure
A cube is a solid with six square faces.