night blindness night-blind • night-blooming · · · Info · Definitions · Synonyms · Antonyms · Characters · · night blindness · · Text Common · · Latin · · Scripts 15 · · Length Definitions · · · (noun) inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder. Synonyms: nyctalopia, moon blindness. · · Noun Definition 1 Synonyms · · · night · · Synonym 1 nighttime · · Synonym 2 dark · · Synonym 3 Antonyms · · · day · · Antonym 0 daytime · · Antonym 1 daylight · · Antonym 2 Characters · · space U+0020 b latin small letter b U+0062 d latin small letter d U+0064 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 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074