de·limit \(ˈ)dē, də̇+\transitive verb Etymology: French délimiter, from Latin delimitare, from de- + limitare to limit — more at limit 1.: to fix or determine the limits of < the commission delimited the frontier through the disputed region > 2.: to serve as a boundary to or between < a river delimiting the plain > < social custom delimits propriety and impropriety >