consecrate 8 antonyms and opposites of consecrate. Verb — To declare something sacred through a formal or religious ceremony. Synonyms for consecrate avow behallow bless canonize dedicate hallow inaugurate martyr sacralize sacrate saint sanctify Antonyms for consecrate deconsecrate desacralize desecrate profane uncanonize unbless unhallow unsaint ← Back to the full definition of consecrate