nightgown nightfowl • nighthawk · · · Info · Definitions · Synonyms · Characters · · nightgown · · Text Latin · · Script 9 · · Length Definitions · · · (noun) lingerie consisting of a loose dress designed to be worn in bed by women. Synonyms: gown, nightie, night-robe, nightdress. · · Noun Definition 1 Synonyms · · · gown · · Synonym 1 nightie · · Synonym 2 night-robe · · Synonym 3 nightdress · · Synonym 4 Characters · · g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 w latin small letter w U+0077