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1. Lowered in value
   - debased, degraded

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
   - depreciate, undervalue, devaluate

See also: devaluation, low

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

Encyclopedia: Devalue