in·con·ti·nence (?n-k?n?t?-n?ns)n. The quality or state of being incontinent.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.incontinenceCondition resulting from various causes, including injury or old age, in which urination cannot be voluntarily controlled. It may be temporary or permanent.Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited