chasm

Synonyms and related words:

abysm, abyss, aperture, arroyo, blank, box canyon, breach, break, broaching, canyon, cavity, chap, check, chimney, chink, clearing, cleavage, cleft, cleuch, clough, clove, col, coulee, couloir, crack, cranny, crater, crevasse, crevice, cut, cwm, deep, defile, dell, depth, dig, diggings, dike, disclosure, ditch, donga, draw, excavation, fault, fenestra, fissure, fistula, flaw, flume, fontanel, foramen, fracture, furrow, gap, gape, gash, gat, gorge, groove, gulch, gulf, gully, hiatus, hole, hollow, incision, inlet, interval, joint, kloof, lacuna, laying open, leak, mine, moat, notch, nullah, opening, opening up, orifice, outlet, overlook, oversight, pass, passage, passageway, pit, pore, preterition, quarry, ravine, rent, rift, rime, rupture, scissure, seam, shaft, skip, slit, slot, space, split, stoma, throwing open, trench, uncorking, unstopping, valley, void, wadi, well, workings, yawn, yawning abyss