WordWeb Online

1. Remove the value from; deprive of its value
   - devaluate
    
2. Lower the value or quality of
   "The tear devalues the painting"
    
3. Lose in value
   "The dollar devalued again";
   - depreciate, undervalue, devaluate

Derived forms: devaluing, devalues, devalued

Type of: alter, change, cheapen, decrease, degrade, diminish, fall, lessen, modify

Encyclopedia: Devalue