concrete
//ˈkɒŋkriːt//
Noun
concreteSingular
concretesPlural
1
A hard building material made by mixing cement, sand, gravel, and water, which becomes solid when it dries
The foundation of the building is made of concrete.
Adjective
1
Existing in a physical or material form; real or solid rather than abstract
We need concrete evidence, not just theories.
2
Specific and definite rather than general or vague
Can you give me a concrete example of what you mean?
Verb
1
To cover or fix something with concrete
They concreted the driveway last week.
2
To make something definite or specific; to solidify
We need to concrete our plans before the meeting.