What does concrete mean in English?

You can learn concrete Pronunciation, Grammar & Synonyms in this most authoritative English Dictionary.

concrete Meaning, Definition, Pronunciation, Grammar & Synonyms❤️

0 a very hard building material made by mixing together cement, sand, small stones, and water:
- reinforced concrete
- a concrete floor/path
- a grey concrete building
1 to cover something in concrete:
- Why did you concrete over that nice garden?
2 clear and certain, or real and existing in a form that can be seen or felt:
- They think she killed her husband, but they have no concrete evidence.
- We have a general idea of what we want, but nothing concrete at the moment.
3 a very hard building material made by mixing together cement (= powdered substance), sand, small stones, and water:
- concrete steps
4 based on sure facts or existing things rather than guesses or theories:
- Police have no concrete evidence linking him to the crime.
- We have not yet received a concrete proposal.

The bomb shelter has concrete walls that are three metres thick.
The foundation of the house is built from rubble overlaid with concrete.
A row of reinforced concrete pillars supports the bridge.
Weeds were pushing up through the cracks in the concrete.
Don't walk on the concrete until it has set.
It is sometimes easier to illustrate an abstract concept by analogy with something concrete.
He drew attention to the absence of concrete evidence against the defendant.
I have a suspicion that he's having an affair, though I don't have any concrete proof.