neutralise
    v 1: get rid of (someone who may be a threat) by killing; "The
         mafia liquidated the informer"; "the double agent was
         neutralized" [syn: neutralize, neutralise, liquidate,
         waste, knock off, do in]
    2: make incapable of military action [syn: neutralize,
       neutralise]
    3: make ineffective by counterbalancing the effect of; "Her
       optimism neutralizes his gloom"; "This action will negate the
       effect of my efforts" [syn: neutralize, neutralise,
       nullify, negate]
    4: make chemically neutral; "She neutralized the solution" [syn:
       neutralize, neutralise]