steep, abrupt, dramatic, precipitious, drastic, gradual, meteoric, calamitous, disastrous, ignominious, sudden, vertiginous, downward, cataclysmic, precipitate, sharp, irreversible, hasty, swift, dizzying, inexorable, wrenching, inevitable, perilous, steepened, stunning, rapid, unclimbable, catastrophic, nose dive, consequent, acrophobic, precarious, startling, domino effect, unilateral, tumble, inexplicable, expectable, foolhardy, devastating, dismaying, unpropitious, unpredicted, ruinous, regrettable, rightward, jarring, parabolic, rocky, knee jerk, spectacular, imminent, tumultuous, unwise, imprudent, reverse, dumbfounding, shipside, foolish, alarming, domino theory, mortifying, worrisome, inauspicious, heedless, destabilizing, unjustified, unexpected, disheartening, irresponsible, tanked, primrose path, disquieting, monumental, ungraceful, inglorious, reckless, unprecedented, colossal, overhasty, unthinkable, unavoidable, premature, shortsighted, overvalued, surprising, unsustainable, inalterable, improbable, bewildering, implausible, roller coaster, prolonged, grievous, painful, evitable, swan dive, prescient, overbuilt, corniced, troubling, craggy, steepest, rugged, steeper, wooded, strewn, scarped, forested, slippery, snowcovered, stony, impassable, inaccessible, barren, brushy, hilly, timbered

precipitously

abrupt, clifflike, cliffy, sharp, steep