per·​ma·​nent·​ly | \ ˈpər-mə-nənt-lē How to pronounce permanently (audio) , ˈpərm-nənt-\

Definition of permanently

: in a permanent manner : in a way that continues without changing or ending : in a way that is not brief or temporary The restaurant closed permanently in May. an area where the ground is permanently frozen Artificial intelligence has permanently changed our understanding of the mind and has proved itself in hundreds of unsung applications.— Steven Pinker

First Known Use of permanently

15th century, in the meaning defined above

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The first known use of permanently was in the 15th century

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