nighttime nighttide • nightwalker · · · Info · Definitions · Synonyms · Characters · · nighttime · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the time after sunset and before sunrise while it is dark outside. Synonyms: night, dark. · · Noun Definition 1 Synonyms · · · night · · Synonym 1 dark · · Synonym 2 Characters · · e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E t latin small letter t U+0074