Concrete

/ˈkɒŋ.kriːt/

Meaning & Definition

noun
A construction material made from a mixture of cement, water, and aggregates (such as sand or gravel) that hardens to form a stone-like substance.
The construction crew poured concrete for the new sidewalk.
A tangible thing that can be perceived with the senses.
His ideas about the project were mostly abstract, lacking any concrete examples.
adjective
Existing in a physical form; real and solid.
They need concrete evidence to support their claims.
Specific and particular, rather than general or abstract.
She provided concrete details about the incident.

Etymology

From Latin 'concretus', meaning 'grown together'.

Common Phrases and Expressions

concrete jungle
An urban area with many tall buildings and limited greenery.
concrete example
A specific instance that illustrates a point.
concrete wall
A wall made of solid concrete, typically used for strength.

Related Words

cement
A powdery substance made by calcining lime and clay, used to make concrete.
aggregate
A material or substance formed from a mass of particles or fragments.
mortar
A mixture of lime with sand and water, used to bind bricks or stones.

Slang Meanings

Something that is definite or sure.
That promise is concrete, it's as good as done.
A heavy or tough situation.
I'm in a concrete mess with my finances.