[1] : WordNet (r) 2.0

devalue
     v 1: remove the value from; deprive of its value syn: devaluate
     2: lower the value or quality of; "the tear devalues the
        painting"
     3: lose in value; "the dollar depreciated again" syn: depreciate,
         undervalue, devaluate ant: appreciate
see also:
devaluate depreciate undervalue appreciate 

[2] : Moby Thesaurus II by Grady Ward, 1.0

49 moby thesaurus words for "devalue":
   adulterate, alloy, canker, cheapen, circulate, coarsen, confound,
   contaminate, corrupt, debase, debauch, decry, defile, deflower,
   degenerate, degrade, demonetize, denature, deprave, desecrate,
   despoil, devaluate, distort, infect, issue, lower, mark down,
   misuse, pervert, poison, pollute, prostitute, ravage, ravish,
   reissue, remonetize, revalue, taint, twist, ulcerate, underrate,
   undervalue, utter, violate, vitiate, vulgarize, warp, write,
   write off

Devalue >> D Words
Devalue, definition of term: Devalue
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