Deprecate is to disapprove; usually, with regret: “After the author left town, I felt badly that I had attempted to deprecate his good works.”
Depreciate is to lessen the price or value of something: “I was informed that the value of my mobile will depreciate every year.”
We deprecate the policy of the insurance company that insists that the value of our new automobile will depreciate significantly as soon as it is driven out of the dealership’s parking lot.
