will have been waning

• 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 wane.
  wane

  verb (used without object)

  to decrease in strength, intensity, etc..

Related Words

• abate
• atrophy
• decrease
• die down
• die out
• dim
• dwindle
• ebb
• fade
• peter out
• shrink
• slacken
• subside
• weaken
• wither