sundown sundog • sundowner · · · Info · Definitions · Synonyms · Characters · · sundown · · Text Latin · · Script 7 · · Length Definitions · · · (noun) the time in the evening at which the sun begins to fall below the horizon. Synonyms: sunset. · · Noun Definition 1 Synonyms · · · sunset · · Synonym 1 Characters · · d latin small letter d U+0064 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075 w latin small letter w U+0077