Solid

/ˈsɒlɪd/

Meaning & Definition

noun
A substance that maintains a fixed volume and shape.
Ice is a solid form of water.
A three-dimensional geometric figure.
The teacher demonstrated how to calculate the volume of a solid.
verb
To make or become solid.
The pudding will solidify as it cools.
adjective
Firm and stable in shape; not liquid or fluid.
The sculpture was made of solid marble.
Not broken, damaged, or impaired; intact.
She had a solid understanding of the subject.
Of good quality; reliable or dependable.
He provided solid advice during the meeting.
Having no gaps or spaces; dense.
The wall was constructed with solid bricks.

Etymology

From Latin solidus, meaning 'firm, whole, strong.'

Common Phrases and Expressions

solid as a rock
Extremely strong or reliable.
solid ground
A situation that is reliable or safe.
solid effort
A substantial amount of work put into a task.

Related Words

solidity
The quality of being solid or firm.
solidify
To make or become solid; to harden.
solidarity
Unity or agreement of feeling or action.

Slang Meanings

Excellent or impressive.
That was a solid performance!
Trustworthy or dependable.
He's a solid dude; you can count on him.