| Noun | 1. | straitjacket - anything immaterial that severely hinders or confines; "they defected because Russian dance was in a straitjacket"; "the government is operating in an economic straitjacket" |
| 2. | straitjacket - a jacket-like garment used to bind the arms tightly against the body as a means of restraining a violent person Synonyms: straightjacket |