1. Very suddenly and to a great degree
   "conditions that precipitously increase the birthrate"
   - sharply 
2. Abruptly; in a precipitous manner
   "the mountains rose precipitously from the shore"

See also: precipitous

• nine
• nine iron
• nine times
• nine-banded armadillo
• nine-membered
• nine-sided
• nine-spot
• nine-to-five
• ninefold
• ninepence
• ninepenny
• ninepin
• ninepin ball
• ninepins
• niner
• nineteen
• nineteenth
• Nineteenth Amendment
• nineteenth hole
• nineties
• ninetieth
• ninety
• ninety-eight
• ninety-fifth
• ninety-five