had been neutralizing

• past perfect progressive

  past perfect progressive

  Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.

  of neutralize.
  neutralize

  verb (used with object)

  to make neutral; cause to undergo neutralization.

Related Words

• compensate for
• counterbalance
• negate
• nullify
• offset
• overcome
• redress
• subdue