Satanism satanism • satanist · · · Info · Definitions · Synonyms · Characters · · Satanism · · Text Latin · · Script 8 · · Length 4 · · Syllables Definitions · · · (noun) a belief in and reverence for devils (especially Satan). Synonyms: diabolism, demonism. · · Noun Definition 1 Synonyms · · · diabolism · · Synonym 1 demonism · · Synonym 2 Characters · · S latin capital letter s U+0053 a latin small letter a U+0061 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074