neutralized

verb
  1. 1

    To make even, inactive or ineffective.

    โ€œThe antidote neutralised the toxin.โ€

  2. 2

    To make (a territory, etc.) politically neutral.

    โ€œ1965, United States. Congress. Senate, Hearings (volume 1, page 77)โ€

  3. 3

    To make (an acidic or alkaline substance) chemically neutral.

  4. 4

    To kill.

Source: https://en.wiktionary.org/wiki/neutralize, https://en.wiktionary.org/wiki/neutralized