Meaning of Index Librorum Prohibitorum in English:

Index Librorum Prohibitorum

Pronunciation /ˌɪndɛks lɪˌbrɔːrʊm prəʊˌhɪbɪˈtɔːrʊm/

proper noun

  • An official list of books which Roman Catholics were forbidden to read or which were to be read only in expurgated editions, as contrary to Catholic faith or morals. The first Index was issued in 1557; it was revised at intervals until abolished in 1966.


Latin, ‘index of forbidden books’.