Deconsecrate

- to remove the sacred character of
- transfer (a building) from sacred to secular use. (secularism)
- the act of removing a religious blessing from something that had been previously consecrated. (deconsecration or secularization)

Example: - the church was deconsecrated in the early nineteenth century.

Synonyms: desacralize, desanctify

Antonyms: bless, consecrate, hallow, sacralize, sanctify