will have been roaring

• future perfect progressive

  future perfect progressive

  Used to describe a continuous action that will progress up until a designated point of completion in the future.

  of roar.
  roar

  verb (used without object)

  to utter a loud, deep cry or howl, as in excitement, distress, or anger.

Related Words

• barrage
• blast
• boom
• clamor
• cry
• drum
• explosion
• outcry
• rumble
• shout
• thunder
• uproar