Synonyms of 'bedrock'

aa, basalt, base, basement, basic, basis, bed, bedding, belly, block lava, bottom, bottommost, brash, breccia, breech, central, conglomerate, crag, essential, floor, flooring, focal, fond, footing, foundation, fundament, fundamental, gneiss, granite, ground, groundwork, hardpan, indispensable, infrastructure, lava, life-and-death, life-or-death, limestone, magma, material, monolith, nadir, nethermost, pahoehoe, pavement, pillar, porphyry, principle, radical, regolith, riprap, rock, rock-bottom, root, rubble, rudiment, sandstone, sarsen, schist, scoria, scree, seat, sill, stereobate, stone, stylobate, substantive, substratum, substructure, talus, terra firma, tower, tufa, tuff, underbelly, undercarriage, underlayer, undermost, underneath, underpinning, underside, understructure, vital