to hasten the occurrence of; bring about prematurely, hastily, or suddenly

to precipitate an international crisis.

to cast down headlong; fling or hurl down.

to cast, plunge, or send, esp. violently or abruptly

He precipitated himself into the struggle.

Chemistry . to separate (a substance) in solid form from a solution, as by means of a reagent.

Meteorology . to fall to the earth's surface as a condensed form of water; to rain, snow, hail, drizzle, etc.

to separate from a solution as a precipitate.

to be cast or thrown down headlong.

headlong

a precipitate fall down the stairs.

rushing headlong or rapidly onward.

proceeding rapidly or with great haste

a precipitate retreat.

exceedingly sudden or abrupt

a precipitate stop; a precipitate decision.

done or made without sufficient deliberation; overhasty; rash

a precipitate marriage.

Chemistry . a substance precipitated from a solution.

moisture condensed in the form of rain, snow, etc.

noun

hastiness , hurriedness , precipitance , precipitancy , precipitation , rashness , rush