depreciatory

from 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}]

from 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]