descent to a lower position or standing; overthrow; ruin.

something causing ruin, failure, etc.

Liquor was his downfall.

a fall, as of rain, snow, or the like, often sudden or heavy.

a trap using a falling weight for killing, injuring, or imprisoning the prey.

noun

accomplishment , ascent , rise , success

noun

atrophy , bane , breakdown , cloudburst , collapse , comedown , comeuppance , debacle , decadence , declension , degeneracy , degeneration , deluge , descent , destruction , deterioration , devolution , discomfiture , down , drop , failure , fall , flood , on the rocks , overthrow , rack and ruin , road to ruin , ruination , storm , the skids , undoing , downgrade , waterloo , destroyer , wrecker , abasement , abyss , debasement , decline , degradation , disgrace , disintegration , downcome , humiliation , labefaction , nemesis , retribution , reverse , ruin , shower , topple