urinary incontinence uri·na·ryin·continence uncommon noun 1. inability to control the flow of urine and involuntary urination Synonymsenuresisurinary incontinence Related words Broader terms incontinence Narrower terms bed-wettingoverflow incontinencestress incontinenceurge incontinence WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.