had been discrediting

• 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 discredit.
  discredit

  verb (used with object)

  to injure the credit or reputation of; defame.

Related Words

• defame
• degrade
• destroy
• disgrace
• disparage
• disprove
• ruin
• slander
• smear
• vilify