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

• deconstruction
• deconstructionism
• deconstructionist
• deconstructivism
• decontaminate
• decontamination
• decontrol
• decor
• decorate
• decorated
• decoration
• Decoration Day
• decorative
• decoratively
• decorativeness
• decorator
• decorous
• decorously
• decorousness
• decorticate
• decortication
• decorum
• decouple
• decoy
• decrease