1. Upright deciduous European shrub widely naturalized in United States having clusters of juicy berries
   - common barberry, Berberis vulgaris

Type of: barberry

• impassable
• impasse
• impassibility
• impassible
• impassion
• impassionate
• impassioned
• impassive
• impassively
• impassiveness
• impassivity
• impasto
• impatience
• impatiens
• Impatiens capensis
• impatient
• impatiently
• impeach
• impeachability
• impeachable
• impeacher
• impeachment
• impeccability
• impeccable
• impeccably