straightener straighten up • straightforward · · · Info · Definitions · Characters · · straightener · · Text Latin · · Script 12 · · Length 3 · · Syllables Definitions · · · (noun) a device for straightening. Example: "A hair straightener." · · Noun Definition 1 Characters · · a latin small letter a U+0061 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 n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074