1. Inability of a bodily valve to close completely

Type of: incompetence

• deracination
• derail
• derailleur
• derailment
• Derain
• derange
• deranged
• derangement
• derate
• derby
• derby hat
• Derbyshire
• derecognise
• derecognize
• dereference
• deregulate
• deregulating
• deregulation
• derelict
• dereliction
• derequisition
• derestrict
• deride
• derision
• derisive