excessively quick; "made a hasty exit"; "a headlong rush to sell"
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"
(often followed by `of') not aware; "seemed unaware of the scrutiny"; "unaware of the danger they were in"; "unaware of the newborn hope"; "the most unaware person I've known"