| Main Entry: | |
| Part of Speech: | noun |
| Definition: | face or brink of a rock, mountain |
| Synonyms: | bluff, cliff, crag, height, sheer drop, steep |
| Main Entry: | crevice/crevasse |
| Part of Speech: | noun |
| Definition: | crack, gap |
| Synonyms: | abyss, chasm, chink, cleft, crack, cranny, cut, division, fissure, fracture, hole, interstice, opening, precipice, rent, rift, slit, split |
| Main Entry: | danger |
| Part of Speech: | noun |
| Definition: | hazard, troublesome situation |
| Synonyms: | clouds, crisis, double trouble, dynamite, emergency, endangerment, exigency, exposure, hot potato, insecurity, instability, jeopardy, menace, peril, pitfall, possibility, precariousness, precipice, probability, risk, risky business, slipperiness, storm, thin ice, threat, uncertainty, venture, vulnerability |
| Antonyms: | care, carefulness, guard, preservation, safety, security |
| Main Entry: | drop |
| Part of Speech: | noun |
| Definition: | steep decline; hole |
| Synonyms: | abyss, chasm, declivity, deepness, depth, descent, dip, fall, plunge, precipice, slope, tumble |
| Antonyms: | incline, mound, mountain, rise |
| Main Entry: | hill |
| Part of Speech: | noun |
| Definition: | uprising of earth's surface; pile |
| Synonyms: | acclivity, ascent, bluff, butte, cliff, climb, down, drift, dune, elevation, eminence, esker, fell, gradient, headland, heap, height, highland, hillock, hillside, hilltop, hummock, inclination, incline, knoll, mesa, mound, mount, precipice, prominence, promontory, protuberance, range, ridge, rise, rising ground, shock, slope, stack, summit, talus, tor, upland |
| Antonyms: | canyon, ditch, gulley |
| Main Entry: | hillock |
| Part of Speech: | noun |
| Definition: | small hill |
| Synonyms: | acclivity, ascent, bluff, butte, cliff, drift, dune, elevation, esker, headland, heap, highland, hilltop, hummock, inclination, incline, knoll, mesa, mound, mount, precipice, prominence, promontory, ridge, rise, slope, summit |
| Main Entry: | knoll |
| Part of Speech: | noun |
| Definition: | small hill |
| Synonyms: | acclivity, ascent, bluff, butte, cliff, drift, dune, elevation, esker, headland, heap, highland, hillock, hilltop, hummock, inclination, incline, knoll, mesa, mound, mount, precipice, prominence, promontory, ridge, rise, slope, summit |
| Main Entry: | mountain |
| Part of Speech: | noun |
| Definition: | very large hill |
| Synonyms: | abundance, alp, bank, bluff, butte, cliff, crag, dome, drift, elevation, eminence, glob, heap, height, hump, mass, mesa, mound, mount, palisade, peak, pike, pile, precipice, pyramid, range, ridge, shock, sierra, stack, ton, tor, volcano |
| Antonyms: | crevasse, valley |
| Main Entry: | crevice |
| Part of Speech: | noun |
| Definition: | crack |
| Synonyms: | abyss, chasm, chink, cleft, crack, cranny, crevasse, cut, division, fissure, fracture, gap, hole, interstice, opening, precipice, rent, rift, slit, split |
| Notes: | crevasse is a deep crack or opening, especially in a glacier or ice field; crevice is a narrow opening or fissure in a rock, wall, or floor |