belittle

belittle (http://definr.com/belittle)

     v 1: belittle; "Don't belittle his influence" [syn: minimize, denigrate,
           derogate]
     2: express a negative opinion of; "She disparaged her student's
        efforts" [syn: disparage, pick at] [ant: flatter]
     3: lessen the authority, dignity, or reputation of; "don't
        belittle your colleagues" [syn: diminish]