Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.
Post-biblical term that means blasphemy against the Holy Spirit. When the Pharisees, baffled by a miracle that Jesus had performed, accused him of using the power of the devil to accomplish it, he warned them, "Let anyone speak against the Holy Spirit and he will not be forgiven either in this world or in the next" (Matthew 12:22-32). also used as a synonym for the sin of despair.