postcanon adjective2 •Postdating the development of a religious canon.In these instances, one is dealing with essentially a postcanon phenomenon, where editors are trying to add commentary to the book of Job. — 1991 •(slang) Set or revealed after the canonical ending of a work of fiction.This allows kaydee falls not only to give us a postcanon story—what happens to Amy and Rory after the episode? — 2017
