"neutralize" in the verb sense
1. neutralize
make politically neutral and thus inoffensive
"The treaty neutralized the small republic"
2. neutralize, neutralise, nullify, negate
make ineffective by counterbalancing the effect of
"Her optimism neutralizes his gloom"
"This action will negate the effect of my efforts"
3. counteract, countervail, neutralize, counterbalance
oppose and mitigate the effects of by contrary actions
"This will counteract the foolish actions of my colleagues"
4. neutralize, neutralise, liquidate, waste, knock off, do in
get rid of (someone who may be a threat) by killing
"The mafia liquidated the informer"
"the double agent was neutralized"
5. neutralize, neutralise
make incapable of military action
6. neutralize, neutralise
make chemically neutral
"She neutralized the solution"
Source: WordNet® (An amazing lexical database of English)
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