Anathema (last updated: 14-Oct-05 19:36 GMT)
a formal ecclesiastical ban, curse, malediction or excommunication; a vehement denunciation; one that is cursed or damned; here's wav file (7KB) with Anathema word spelling; see also definitions at Merriam-Webster, Cambridge Dictionaries, Oxford Dictionaries.

Glossary worked out on the basis of Dictionary.com and Tiscali Dictionary of Difficult Words.