THESAURUS
Abyss
Bassalia, Gehenna, Sheol, Tophet, abysm, abyssal zone, arroyo, bathyal zone, benthos, bottom waters, bottomless depths, box canyon, breach, break, canyon, cavity, chap, chasm, check, chimney, chink, cleft, cleuch, clough, col, coulee, couloir, crack, cranny, crater, crevasse, crevice, cut, cwm, deep, deepness, defile, dell, depth, dig, diggings, dike, ditch, donga, draw, excavation, fault, fissure, flaw, flume, fracture, furrow, gap, gape, gash, gorge, groove, ground, gulch, gulf, gully, hades, hole, hollow, incision, inferno, inner space, joint, kloof, leak, mine, moat, netherworld, notch, nullah, ocean bottom, ocean depths, ocean floor, opening, pass, passage, pelagic zone, perdition, pit, profoundness, profundity, quarry, ravine, rent, rift, rime, rupture, scissure, seam, shaft, slit, slot, split, the deep, the deep sea, the deeps, the depths, trench, underworld, valley, void, wadi, well, workings, yawning abyss
ROGET THESAURUS
Abyss
Hell
N
hell, bottomless pit, place of torment, habitation of fallen angels, Pandemonium, Abaddon, Domdaniel, jahannan, sheol, hell fire, everlasting fire, everlasting torment, eternal damnation, lake of fire and brimstone, fire that is never quenched, worm that never dies, purgatory, limbo, gehenna, abyss, Tartarus, Hades, Avernus, Styx, Stygian creek, pit of Acheron, Cocytus, infernal regions, inferno, shades below, realms of Pluto, Pluto, Rhadamanthus, Erebus, Tophet, hellish, infernal, stygian, dies irae dies illa, the hue of dungeons and the scowl of night.
Space
N
space, extension, extent, superficial extent, expanse, stretch, hyperspace, room, scope, range, field, way, expansion, compass, sweep, swing, spread, dimension, length, distance, size, volume, hypervolume, latitude, play, leeway, purchase, tolerance, room for maneuver, spare room, elbow room, house room, stowage, roomage, margin, opening, sphere, arena, open space, free space, void, waste, wildness, wilderness, moor, moorland, campagna, abyss, unlimited space, infinity, world, ubiquity, length and breadth of the land, proportions, acreage, acres, acres and perches, roods and perches, hectares, square miles, square inches, square yards, square centimeters, square meters, yards (clothing), ares, arpents, spacious, roomy, extensive, expansive, capacious, ample, widespread, vast, world-wide, uncircumscribed, boundless, shoreless, trackless, pathless, extended, extensively, wherever, everywhere, far and near, far and wide, right and left, all over, all the world over, throughout the world, throughout the length and breadth of the land, under the sun, in every quarter, in all quarters, in all lands, here there and everywhere, from pole to pole, from China to Peru, from Indus to the pole, from Dan to Beersheba, from end to end, on the face of the earth, in the wide world, from all points of the compass, to the four winds, to the uttermost parts of the earth.
Interval
N
interval, interspace, separation, break, gap, opening, hole, chasm, hiatus, caesura, interruption, interregnum, interstice, lacuna, cleft, mesh, crevice, chink, rime, creek, cranny, crack, chap, slit, fissure, scissure, rift, flaw, breach, rent, gash, cut, leak, dike, ha-ha, gorge, defile, ravine, canon, crevasse, abyss, abysm, gulf, inlet, frith, strait, gully, pass, furrow, abra, barranca, barranco, clove, gulch, notch, yawning gulf, hiatus maxime, hiatus valde deflendus, parenthesis, void, incompleteness, period, interim (time), with an interval, far between, breachy, rimose, rimulose, at intervals, longo intervallo.