/ ˈkwaɪətɪzəm; NAmE / noun
[ U ] ( formal ) an attitude to life which makes you calmly accept things as they are rather than try to change them
► quiet·ist / -ɪst; NAmE / noun , adjective
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WORD ORIGIN
late 17th cent. (denoting the religious mysticism based on the teachings of the Spanish priest Miguel de Molinos ( c. 1640–97)): from Italian quietismo , based on Latin quies , quiet- quiet.