|Origin:||Probably from ensure|
1 [intransitive and transitive]BFI
to buy insurance so that you will receive money if something bad happens to you, your family, your possessions etc:
Have you insured the contents of your home?
insure (something/somebody) against loss/damage/theft/sickness etc
It is wise to insure your property against storm damage.
insure something for £1000/$2000 etc
You should insure the painting for at least £100,000.
to provide insurance for something or someone:
Many companies won't insure young drivers.
an American spelling of ensure
insure (yourself) against somethingphrasal verb
Take advice to insure yourself against being misled.