[syn: belittling, deprecating, deprecative, deprecatory, depreciative, depreciatory, slighting]
The Collaborative International Dictionary of English v.0.48:
Depreciatory \De*pre"ci*a*to*ry\
   (d[-e]*pr[=e]"sh[i^]*[.a]*t[-o]*r[y^] or
   d[-e]*pr[=e]"sh[.a]*t[-o]*r[y^]), a.
   Tending to depreciate; undervaluing; depreciative.
   Syn: belittling, depreciative, deprecatory, depreciatory,
        derogatory, detractive, detracting, slighting,
        pejorative, denigratory.
        [1913 Webster]
WordNet (r) 3.0 (2006):
depreciatory
    adj 1: tending to decrease or cause a decrease in value; "a
           depreciating currency"; "depreciatory effects on prices"
           [syn: depreciating, depreciative, depreciatory]
    2: tending to diminish or disparage; "belittling comments";
       "managed a deprecating smile at the compliment"; "deprecatory
       remarks about the book"; "a slighting remark" [syn:
       belittling, deprecating, deprecative, deprecatory,
       depreciative, depreciatory, slighting]