1. (adj)hasty, headlong excessively quick "made a hasty exit"; "a headlong rush to sell"
2. (adj)hasty, overhasty, precipitate, precipitant, precipitous done with very greathaste 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"