nighthawk nightgown • nightie · · · Info · Definitions · Synonyms · Characters · · nighthawk · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a person who likes to be active late at night. Synonyms: night owl, nightbird. · · Noun Definition 1 (noun) mainly nocturnal North American goatsucker. Synonyms: bullbat, mosquito hawk. · · Noun Definition 2 Synonyms · · · night owl · · Synonym 1 nightbird · · Synonym 2 bullbat · · Synonym 3 mosquito hawk · · Synonym 4 Characters · · a latin small letter a U+0061 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B n latin small letter n U+006E t latin small letter t U+0074 w latin small letter w U+0077