adjective

1. formed into a solid mass; coalesced
2. having a material, perceptible existence; of, belonging to, or characterized by things or events that can be perceived by the senses; real; actual
3. referring to a particular; specific, not general or abstract
4. made of concrete
5. Gram. designating a thing or class of things that can be perceived by the senses a concrete noun

Etymology: ME concret < L concretus, pp. of concrescere: see concrescence

noun

1. a concrete thing, condition, idea, etc.
2. a hard, compact building material formed when a mixture of cement, sand, gravel, and water dries: used in making bridges, road surfaces, etc.

transitive verb concreted -·cret′ed, concreting -·cret′·ing

1. to form into a mass; solidify
2. to make of, or cover with, concrete

intransitive verb