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

• Hyphantria
• Hyphantria cunea
• hyphema
• hyphen
• hyphenate
• hyphenation
• hyphercharge
• Hyphomycetes
• hypnagogic
• hypnagogue
• hypno-
• hypnoanalysis
• hypnogenesis
• live it up
• live load
• live oak
• live on
• live out
• live over
• live steam
• live together
• live up to
• live wire
• live with
• live-and-die