have been exterminating

• present perfect progressive

  present perfect progressive

  Used to describe an action that began in the past, has continued continuously, and is still in progress.

  of exterminate.
  exterminate

  verb (used with object)

  to get rid of by destroying; destroy totally; extirpate.

Related Words

• annihilate
• decimate
• eradicate
• extinguish
• obliterate
• slaughter
• stamp out
• wipe out