Definitions
1.AdjectiveInclined to make rapid decisions without due consideration; hasty, impulsive, rash.
2.AdjectiveOf a fall: straight downwards; headlong.
3.AdjectiveActing, happening, or moving quickly; fast, rapid, swift; also, abrupt, sudden, unexpected.":; :"
4.AdjectiveThat causes precipitation (“formation of a heavier solid in a lighter liquid as a result of a chemical reaction”).
5.AdverbSynonym of precipitantly (“in a precipitant or headlong manner; with foolish or rash haste”).
6.NounSomething which causes or hastens the occurrence of an act or event; specifically , something which brings about a mental or physiological condition.
7.NounA substance that, when added to a solution, causes a dissolved substance to form a precipitate.