WordWeb Online

1. Tending to decrease or cause a decrease in value
   "a depreciating currency";
   - depreciative, depreciatory

1. Belittle
   - deprecate, vilipend
    
2. Lower the value of something
   "The Fed depreciated the dollar once again"
    
3. Lose in value
   "The dollar depreciated again";
   - undervalue, devaluate, devalue

See also: decreasing

Type of: belittle, decrease, devalue, diminish, disparage, fall, lessen, pick at

Antonym: appreciate

Encyclopedia: Depreciate