precipitate

"hasty marriage seldom proveth well"; "hasty makeshifts take the place of planning"; "rejected what was regarded as an overhasty plan for reconversion"; "wondered whether they had been rather precipitate in deposing the king";

"The crisis precipitated by Russia's revolution";

"rain, snow and sleet were falling"; "Vesuvius precipitated its fiery, destructive rage on Herculaneum";

"Our economy precipitated into complete ruin";

"The bridge broke and precipitated the train into the river below";