1. Sloping down rather steeply
   - declivitous, downhill

See also: descending

• impanel
• imparipinnate
• imparity
• impart
• impartation
• impartial
• impartiality
• impartially
• imparting
• impassable
• impasse
• impassibility
• impassible
• impassion
• impassionate
• impassioned
• impassive
• impassively
• impassiveness
• impassivity
• impasto
• impatience
• impatiens
• Impatiens capensis
• impatient