dis·es·tab·lish [ dìssə stábblish ](past and past participledis·es·tab·lished, present participledis·es·tab·lish·ing, 3rd person present singulardis·es·tab·lish·es)
transitive verb
Definition:
1. stop long established custom: to undo or change something that has been established for a long time
2. end connection between church and state: to end the official relationship between the state and a nation's established church or religion