1. to curse or condemn someone or something strongly; to pronounce an anathema against
Usage: British spelling; American spelling is 'anathematize'; formal or literary
2. to declare (a person or thing) to be anathema; to excommunicate or cast out
Usage: religious or ecclesiastical context; formal or archaic

Examples

• The church leaders anathematised the heretical doctrine.
• Critics anathematised the new policy as a betrayal of core principles.
• Medieval theologians anathematised those who rejected the established creed.
• The community anathematised the corrupt official and demanded his removal.
• She anathematised violence in all its forms during her speech.
• The council anathematised the breakaway sect in the 16th century.