scepticism sceptically • sceptral · · · Info · Definitions · Synonyms · Characters · · scepticism · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) the disbelief in any claims of ultimate knowledge. Synonyms: agnosticism, skepticism. · · Noun Definition 1 Synonyms · · · agnosticism · · Synonym 1 skepticism · · Synonym 2 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074