1. (

• hasty ,
• overhasty ,
• precipitate ,
• precipitant ,
• precipitous

) 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" ;

2. (

• abrupt ,
• precipitous ,
• sharp

) extremely steep; "an abrupt canyon"; "the precipitous rapids of the upper river"; "the precipitous hills of Chinese paintings"; "a sharp drop" ;