Insure is defined as to provide insurance or to make sure of something.(verb)
An example of to insure is for Geico Insurance to provide plans for its customers.
See insure in Webster's New World College Dictionary
Origin: ME ensuren: see ensure
See insure in American Heritage Dictionary 4
verb in·sured, in·sur·ing, in·sures verb, transitive
Origin: Middle English ensuren, to assure
Origin: , from Old French enseurer
Origin: , possibly variant of assurer; see assure.
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