Source : Webster's Revised Unabridged Dictionary (1913)

Disapproval \Dis`ap*prov"al\, n.
   Disapprobation; dislike; censure; adverse judgment.

Source : WordNet®

disapproval
     n 1: a feeling of disliking something or what someone is doing
          [ant: {approval}]
     2: the expression of disapproval [ant: {approval}]
     3: an inclination to withhold approval from some person or
        group [syn: {disfavor}, {disfavour}, {dislike}]
     4: the act of disapproving or condemning [ant: {blessing}]