concourse, n. 1. assemblage, gathering, forgathering, congregation, company; assembly, meeting, conference, rally; collection, cluster, crowd, group, throng, multitude, host, legion; crush, rout, swarm, horde, press.
2. esplanade, mall, promenade, grounds, turf; boardwalk, public walk, sidewalk, track, path; avenue, boulevard, causeway, highway, expressway, thoroughfare, road, land, driveway; terminal, waiting room, station, airport.
3. confluence, conflux, convergence, concurrence, junction, conjunction, joining; flocking together, concentration, focalization; accumulation, amassment, aggregation, aggregate, agglomeration, agglomerate, conglomeration, conglomerate.
concrete, adj. 1. particular, specific, single, singular, certain, special, unique, sole, peculiar, individual, individualized; separate, isolated, distinct, discrete; exact, precise, direct, strict, minute; explicit, definite, express; plain, evident, manifest, obvious; pointed, marked, emphasized; restrictive, limiting, limited, bounded; determinate, well-defined, clear-cut, fixed, finite; determinative, determining, conclusive, decided; graphic, vivid, detailed, striking, telling.
2. actual, real, true, literal; factual, true-to-life, realistic, unimaginary; authentic, genuine, Dial, sure-enough, bona fide, veritable, valid, verifiable, confirmed, reliable, faithful; absolute, positive, certain, sure, unequivocal, unconditional.
3. physical, corporeal, bodily, substantial, material; non-abstract, tangible, palpable, sensible, perceptible; existing, existent, present.
4. solid, solidified, firm, consolidated; compressed, joined or packed together, compact, dense; conglomerated, agglomerated, agglomerative, compound, con-glutinated, conglutinative; coalesced, coalescent, amalgamated; impenetrable, impervious, impermeable; coherent, cohesive, tight; petrified, petrificant, stonelike, lithoid, rocklike, Archaic, lapidific, Physiol. calcified, cement; hard, callous, indurate.
-n. 5. instance, specific, specification, example; particularity, particular, item, feature, detail.
6. concretion, solid mass, conglomeration, agglomeration. See - concretion (def. 1).
7. pavement, paving, cement, mortar; asphalt, macadam.
-v. 8. solidify, harden, indurate, densify, set; petrify, Archaic, lapidify; conglomerate, agglomerate, coalesce, amalgamate, cohere; conglutinate, agglutinate, stick together, adhere, weld, fuse; coagulate, thicken, congeal, clot, curdle; compress, join or pack together; cement, unite solidly.
9. concretize, actualize, realize, make real, make actual, embody, personify, make concrete; externalize, objectify, exteriorize; particularize, specify.
concretion, n. 1. solidification, hardening, densi-fication, induration, Physiol, calcification, firming, setting; petrification, Archaic, lapidification; conglomeration, agglomeration, coherence, cohering, cohesion; conglutination, agglutination, sticking together, adherence, adhering, adhesion, welding, fusion; brazing, soldering; coagulation, congelation, curdling; cementation, cementing, unification, unifying; consolidation, accretion, aggregation.
2. mass, lump, deposit, swell, mound, tumulus; cake, nugget, block, chunk, hunk; clot, coagulum, curd; knot, knob, node, nodule; stone, Pathol, calculus, rock.