precipitously
1. [ adverb ] very suddenly and to a great degree
Synonyms: sharply
Examples:

"conditions that precipitously increase the birthrate" "prices rose sharply"

2. [ adverb ] abruptly; in a precipitous manner
Examples:

"the mountains rose precipitously from the shore"

Related terms: abrupt abrupt
Similar spelling:   precipitous
  precipitousness
  precipitately
  precipitant
  precipitator
  precipitancy
  precipitin
  Prociphilus
  precipitate
  precipitateness
  precipitance
  precipitation
  precipitating