Anathemizing is a strong and severe term that means to condemn something or someone. The term has various synonyms that can be used to convey a similar meaning in different contexts. Some of the synonyms for anathemizing are denouncing, decrying, cursing, excommunicating, and rejecting. While denouncing implies public condemnation and disapproval, decrying suggests a vehement condemnation of something. Cursing refers to invoking divine wrath upon someone or something, and excommunicating is the act of officially excluding someone from a group or community. Rejecting means to refuse to accept or consider something or someone. Collectively, these synonyms indicate a strong rejection or disapproval of something, someone, or a particular behavior or action.