depreciate1 of 1verb/dɪˈpriʃieɪt/Forms:depreciates,depreciating,depreciated,depreciated1to diminish in value, especially over timeSynonyms: devaluedevaluateundervalueAntonyms: appreciate2lower the value of somethingAntonyms: appreciate3to regard someone or something as insignificantSynonyms: vilipenddeprecate