/ ɪnˈʃʊə(r); -ˈʃɔː(r); NAmE -ˈʃʊr/ verb
1.
insure (yourself / sth) (against / for sth) to buy insurance so that you will receive money if your property, car, etc. gets damaged or stolen, or if you get ill / sick or die :
[ vn ]
The painting is insured for $1 million.
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.
[ v ]
We strongly recommend insuring against sickness or injury.
2.
[ vn ] to sell insurance to sb for sth :
The company can refuse to insure a property that does not have window locks.
3.
( especially NAmE ) = ensure
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WORD ORIGIN
late Middle English (in the sense assure someone of something ): alteration of ensure .