Unexpectedly or foolishly brought on or hastened; rashly hurried; hasty; sudden; reckless
done with very great haste and without due deliberation; "hasty marriage seldom proveth well"- Shakespeare; "hasty makeshifts take the place of planning"- Arthur Geddes; "rejected what was regarded as an overhasty plan for reconversion"; "wondered whether they had been rather precipitate in deposing the king"
() From Old French precipitant Latin praecipitans, present participle of praecipitare (“to cast down headlong”) praeceps (“head foremost, headlong”) prae (“before”) + caput (“head”).