Depreciative

De‐pre″ci‐a′tive (dē̍‐prē″shĭ‐ā′tĭv or dē̍‐prē″shȧ‐tĭv), a. Tending, or intended, to depreciate; expressing depreciation; undervaluing. — De‐pre″ci‐a′tive‐ly, adv.