v. in·sured, in·sur·ing, in·sures v.tr. 1. a. To provide or arrange insurance for: a company that insures homeowners and businesses. b. To acquire or have insurance for: insured herself against losses; insured his car for theft. 2. To make sure, certain, or secure. See Usage Note at assure. v.intr. To buy or sell insurance. [Middle English ensuren, to assure, from Old French enseurer, possibly variant of assurer; see ASSURE.] in·sur′a·bili·ty n. in·sura·ble adj. |
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