transitive to regularly pay an insurance company an amount of money so that they will give you money if something that you own is damaged, lost, or stolen, or if you die or are sick or injuredHave you insured the car?
insure someone/something against something: It is a good idea to insure all oriental rugs against theft and damage.
insure someone/something for something: They’ve insured the painting for over half a million dollars.
insure yourself (against something): Insuring yourself against a critical illness is very important.