know nothing known • know-nothing · · · Info · Definitions · Synonyms · Characters · · know nothing · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) an ignorant person. Synonyms: ignoramus, know nothing, uneducated person. · · Noun Definition 1 Synonyms · · · ignoramus · · Synonym 1 uneducated person · · Synonym 2 Characters · · space U+0020 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 w latin small letter w U+0077