neutralize


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

     v 1: make politically neutral
     2: make ineffective by counterbalancing the effect of; "Her
        optimism neutralizes his gloom" [syn: neutralise, nullify]
     3: oppose and mitigate the effects of by contrary actions;
        "This will counteract the foolish actions of my
        colleagues" [syn: counteract, countervail, counterbalance]
     4: make incapable of military action [syn: neutralise]
     5: make chemically neutral; "She neutralized the solution"
        [syn: neutralise]