Adjective precipitous has 3 senses
  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"
    Antonym: unhurried (indirect, via hurried)
  2. precipitous - characterized by precipices; "a precipitous bluff"
    Antonyms:
    beachy, beachlike (indirect, via cliffy)
  3. 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)
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