#1 depreciatory s. [depreciating, depreciative] tending to decrease or cause a decrease in value; "a depreciating currency"; "depreciatory effects on prices". wn #2 depreciatory s. [belittling, deprecating, deprecative, deprecatory, depreciative, slighting] tending to diminish or disparage; "belittling comments"; "managed a deprecating smile at the compliment"; "deprecatory remarks about the book"; "a slighting remark". wn