being a real or actual thing; solid; substantial:[often: before a noun]concrete proof.
relating to or concerned with real instances rather than abstractions; specific:[often: before a noun]some concrete proposals.
referring to a real thing, as opposed to an abstract quality: The words "cat,'' "water,'' and "teacher'' refer to concrete things, whereas the words "truth,'' "excellence,'' and "adulthood'' refer to abstract things.
Building made of concrete:[often: before a noun]concrete blocks.
con•crete(kon′krēt, kong′-, kon krēt′, kong- for 1–10, 11, 14, 15; kon krēt′, kong- for 12, 13),USA pronunciationadj., n., v.,-cret•ed, -cret•ing. adj.
constituting an actual thing or instance; real:a concrete proof of his sincerity.
pertaining to or concerned with realities or actual instances rather than abstractions; particular (opposed to general):concrete ideas.
representing or applied to an actual substance or thing, as opposed to an abstract quality:The words "cat,'' "water,'' and "teacher'' are concrete, whereas the words "truth,'' "excellence,'' and "adulthood'' are abstract.
Buildingmade of concrete:a concrete pavement.
formed by coalescence of separate particles into a mass; united in a coagulated, condensed, or solid mass or state.
Buildingan artificial, stonelike material used for various structural purposes, made by mixing cement and various aggregates, as sand, pebbles, gravel, or shale, with water and allowing the mixture to harden. Cf. reinforced concrete.
Buildingany of various other artificial building or paving materials, as those containing tar.
a concrete idea or term; a word or notion having an actual or existent thing or instance as its referent.
a mass formed by coalescence or concretion of particles of matter.
Idiomsset or cast in concrete, to put (something) in final form; finalize so as to prevent change or reversal:The basic agreement sets in concrete certain policies.
to treat or lay with concrete:to concrete a sidewalk.
to form into a mass by coalescence of particles; render solid.