precipitous
1. [ adjective ] characterized by precipices
Examples:

"a precipitous bluff"

Related terms: cliffy
2. [ adjective ] done with very great haste and without due deliberation
Synonyms: overhasty precipitate precipitant hasty
Examples:

"hasty marriage seldom proveth well"- Shakespeare "hasty makeshifts take the place of planning"- Arthur Geddes "wondered whether they had been rather precipitate in deposing the king"

Related terms: hurried
3. [ adjective ] extremely steep
Synonyms: sharp abrupt
Examples:

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

Related terms: steep
Similar spelling:   precipitously
  precipitant
  precipitator
  precipitin
  Prociphilus
  precipitate
  precipitancy
  precipitance
  precipice
  precipitation
  precipitating
  precipitately
  Procopio
  preceptorship
  preceptor