1. existing in a material or physical form; real or solid, not abstract
2. specific rather than general

1. a hard, strong building material made by mixing cement, sand, gravel, and water

1. to cover with concrete
2. to make something real or definite
Usage: formal

Examples

• The bridge is made of steel and concrete.
• We need concrete evidence, not just theories.
• They will concrete the driveway next week.
• The statue is a concrete representation of freedom.
• Can you give me a concrete example?
• The concrete floor was cold under our feet.
• Her plans began to concrete into reality.