- 1 [transitive, intransitive] to buy insurance so that you will receive money if your property, car, etc. gets damaged or stolen, or if you get sick or die insure something/yourself (for something) The painting is insured for $1 million. insure something/yourself (against something) The car is insured against fire and theft. Luckily he had insured himself against long-term illness. (figurative) Having a lot of children is a way of insuring themselves against loneliness in old age. insure against something We strongly recommend insuring against sickness or injury.
- 2[transitive] insure somebody/something to sell insurance to someone for something The company can refuse to insure a property that does not have window locks.
- 3 = ensure
NAmE//ɪnˈʃʊr//Verb Forms present simple I / you / we / they insure
he / she / it insures
past simple insured
-ing form insuring