neutralized

1. make politically neutral and thus inoffensiveExamples: "The treaty neutralized the small republic"Synonyms: neutralize

2. make ineffective by counterbalancing the effect ofExamples: "Her optimism neutralizes his gloom"; "This action will negate the effect of my efforts"Synonyms: negate, neutralise, neutralize, nullify

3. oppose and mitigate the effects of by contrary actionsExamples: "This will counteract the foolish actions of my colleagues"Synonyms: counteract, counterbalance, countervail, neutralize

4. get rid of (someone who may be a threat) by killingExamples: "The mafia liquidated the informer"; "the double agent was neutralized"Synonyms: do in, knock off, liquidate, neutralise, neutralize, waste

5. make incapable of military actionSynonyms: neutralise, neutralize

6. make chemically neutralExamples: "She neutralized the solution"Synonyms: neutralise, neutralize