Definition: In the context of computer science and programming, "defeasanced" refers to a situation where a program or algorithm is not able to perform its intended functionality because it has been modified in some way. This can be due to intentional errors, bugs, or simply by overlooking certain aspects of the code that should have been checked for defects. For example, consider a programming language with a feature called "defeasable" which allows you to specify conditions under which a function may fail and still be