unknown region unknown quantity • unknown soldier · · · Info · Definitions · Synonyms · Characters · · unknown region · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) an unknown and unexplored region. Synonyms: unknown, unknown region, terra incognita. Example: "They came like angels out the unknown." · · Noun Definition 1 Synonyms · · · unknown · · Synonym 1 terra incognita · · Synonym 2 Characters · · space U+0020 e latin small letter e U+0065 g latin small letter g U+0067 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 r latin small letter r U+0072 u latin small letter u U+0075 w latin small letter w U+0077