Adjective precipitous has 3 senses
- 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"
Antonym: unhurried (indirect, via hurried)
- precipitous - characterized by precipices; "a precipitous bluff"
Antonyms: beachy, beachlike (indirect, via cliffy)
- abrupt, precipitous, sharp - extremely steep; "an abrupt canyon"; "the precipitous rapids of the upper river"; "the precipitous hills of Chinese paintings"; "a sharp drop"
Antonym: gradual (indirect, via steep)
,