Pronunciation: (strāt'jak"it),[key] —n. 1. a garment made of strong material and designed to bind the arms, as of a violently disoriented person.
2. anything that severely confines, constricts, or hinders: Conventional attitudes can be a straitjacket, preventing original thinking.
—v.t.Also,strait'-jack"et. to put in or as in a straitjacket: Her ambition was straitjacketed by her family.Also,straightjacket.