precipitate
noun
a precipitated solid substance in suspension or after settling or filtering
verb
bring about abruptly
“The crisis precipitated by Russia's revolution”
separate as a fine suspension of solid particles
fall from clouds
“rain, snow and sleet were falling”
“Vesuvius precipitated its fiery, destructive rage on Herculaneum”
fall vertically, sharply, or headlong
“Our economy precipitated into complete ruin”
hurl or throw violently
“The bridge broke and precipitated the train into the river below”
adjective
done with very great haste and without due deliberation
“hasty marriage seldom proveth well”
“hasty makeshifts take the place of planning”
Source: WordNet 3.1, Princeton University