Deconsecrate means to remove something from its sacred status or to make it unholy. Its antonyms, or opposite words, are consecrate, sanctify, hallow, and bless. Consecrate means to make something sacred, especially by dedicating it formally to a religious or holy purpose. Sanctify means to set something apart as holy or to purify it by ritual or religious ceremony. Hallow means to honor and revere someone or something as holy or sacred. Bless means to ask for divine favor or to bestow divine favor or protection. All of these antonyms represent actions that acknowledge the sacredness or holiness of something, rather than removing it.