To insure something is to provide financial protection for a large purchase or something that has a great value. In case of loss or damage, an insurance company or an insurer pays money to the person who insured the thing that was valuable.
Jennifer insured her house for over $300,000.
You should insure your car with collision insurance if it’s new.
John’s guitar was insured for over $2000. When it was stolen, the insurance company paid him for his loss. (The verb "insure" in this sentence uses the passive voice.)
They can’t insure their house because of the location. It’s in a flood plain.
The noun form of this word is "insurance."
What kind of insurance do you have on your car?
By 2014 all Americans need to have some kind of health insurance. It’s the law.
No amount of insurance could possibly cover the loss of their home after the fire. Many items were personal and irreplaceable.
If your home is destroyed by a tornado, your loss should be covered by insurance.