concrete

1 existing in fact and not merely as a possibility concrete evidence, and not just a theory, must be presented at a trial Synonyms actual, de facto, effective, existent, factual, genuine, real, sure-enough, true, veryRelated Words attested, authenticated, confirmed, demonstrated, established, proven, substantiated, valid, validated, verified; incontestable, incontrovertible, indisputable, indubitable, inescapable, irrefutable, undeniable, unquestionable; believable, convincing, literal, realistic, unmistakable, verifiable; authentic, bona fide, real-life, real-world; absolute, certain, final, hard, objective, palpable, positive, substantial, tangible; authoritative, certifiable, certifiedNear Antonyms alleged, assumed, reputed, supposed; conceived, envisaged, envisioned, imagined, pictured, visualized; chimerical (also chimeric), fabled, fanciful, fictional, fictitious, illusory, legendary; fabricated, fake, imaginary, invented, made-up, make-believe, pretend, romantic; abstract, symbolic, unreal; virtualAntonyms conjectural, hypothetical, ideal, inexistent, nonexistent, platonic, possible, potential, suppositional, theoretical (also theoretic)

2 relating to or composed of matter concrete objects like rocks and trees Synonyms material, physical, substantialRelated Words bodily, carnal, corporal, corporeal, embodied, fleshly; apparent, appreciable, detectable, discernible (also discernable), noticeable, observable, palpable, perceptible, seeable, sensible, tangible, touchable, visible; objective, phenomenal; bulky, heavy, hefty, massive, ponderous, solid, weightyNear Antonyms bodiless, discarnate, disembodied, formless, incorporeal, unbodied; ethereal, insubstantial, unsubstantial; impalpable, imperceptible, insensible, intangible, invisible, unnoticeable; airy, diaphanous, gossamery, tenuous, thin, vaporous, wispish; metaphysical, spiritualAntonyms immaterial, nonmaterial, nonphysical

3 of a particular or exact sort while there was a lot of hand-wringing, no one offered a practical, concrete plan for the energy shortage Synonyms express, distinct, especial, peculiar, precise, set, special, specificRelated Words lone, only, separate, single, sole, solitary; distinctive, exclusive, individual, unique; limited, restricted; differentiated, specialized; given, specifiedNear Antonyms general, generalized, generic, nonexclusive, universalAntonyms nonspecific