great-niece great-nephew • great-nosed · · · Info · Definitions · Synonyms · Characters · · great-niece · · Text Common · · Latin · · Scripts 11 · · Length Definitions · · · (noun) a daughter of your niece or nephew. Synonyms: grandniece. · · Noun Definition 1 Synonyms · · · grandniece · · Synonym 1 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074