will have been whirring

• 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 whir.
  whir

  verb (used without object)

  to go, fly, revolve, or otherwise move quickly with a humming or buzzing sound.

Popular Searches

• postbiotic
• superyacht
• factoid
• erudite
• TIL
• resilient
• piece of cake