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English definition of “insure”

insure

verb (MAKE CERTAIN) (also ensure)    /ɪnˈʃʊər/
to make something certain, or to be certain about something: [+ (that) clause] Because of the importance of the game, we wanted to insure (that) it would be televised. [T] We had reporters check to insure the accuracy of the story.
(Definition of insure verb (MAKE CERTAIN) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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