straightjacket straightish • straightlaced · · · Info · Definitions · Synonyms · Characters · · straightjacket · · Text Latin · · Script 14 · · Length 3 · · Syllables Definitions · · · (noun) a garment similar to a jacket that is used to bind the arms tightly against the body as a means of restraining a violent person. Synonyms: straitjacket. · · Noun Definition 1 Synonyms · · · straitjacket · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 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 j latin small letter j U+006A k latin small letter k U+006B r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074