To become or make less in price or value
Know for sure what you've got before you clean it, or you can devalue it by as much as 90 percent.
capability94, the Alliance has increasingly addressed the range of defense capabilities needed to devalue WMD proliferation and use.
devalue the pound or to try to compete in the Single European Market where other countries make identical goods.
devalue the importance of the ethical dimension.
devalue the worth of degrees.