gullibility gulleting • gullible · · · Info · Definitions · Synonyms · Characters · · gullibility · · Text Latin · · Script 11 · · Length Definitions · · · (noun) tendency to believe too readily and therefore to be easily deceived. Synonyms: credulousness. · · Noun Definition 1 Synonyms · · · credulousness · · Synonym 1 Characters · · b latin small letter b U+0062 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079