1. Lower the value or quality of
   "The tear devalues the painting"
    
2. Remove the value from; deprive of its value
   "The government's decision to devalue the currency shocked the markets";
   - devaluate
    
3. Lose in value
   "The dollar devalued again";
   - depreciate, devaluate

Derived forms: devalued, devalues, devaluing

Type of: alter, change, cheapen, come down, decrease, degrade, dent, diminish, fall, go down, lessen, modify, sink

Encyclopedia: Devalue