neutralise

Verb (4)

1. get rid of (someone who may be a threat) by killing“The mafia liquidated the informer”“the double agent was neutralized”Synonyms: neutralizeliquidatewasteknock offdo in
2. make incapable of military actionSynonyms: neutralize
3. make ineffective by counterbalancing the effect of“Her optimism neutralizes his gloom”“This action will negate the effect of my efforts”Synonyms: neutralizenullifynegate
4. make chemically neutral“She neutralized the solution”Synonyms: neutralize