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English definition of “straitjacket”

straitjacket

noun [C usually singular] uk (also straightjacket)   /ˈstreɪtˌdʒæk.ɪt/ us  
a strong piece of special clothing that ties the arms to the body and is used for limiting the movements of dangerous prisoners and mentally ill patients whose behaviour is violent: Brody was locked in a padded cell and forced to wear a straitjacket. disapproving something that severely limits development or activity in a way that is damaging: He refused to be fitted into any ideological straitjacket.
(Definition of straitjacket from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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