1) Cheapen 2) Degrade 3) Deprive of its value 4) Devalue 5) Lose in value 6) Remove the value from 7) To devalue 8) To reduce in value 1) Cheapen 2) Demonetise 3) Demonetize 4) Devalue 
devaluate, devalue To lessen or annul the value of.
to devalue.