will have tumbled

• future perfect

  future perfect

  Used to describe an action that will be fully completed or achieved by a specific point in the future.

  of tumble.
  tumble

  verb (used without object)

  to fall helplessly down, end over end, as by losing one's footing, support, or equilibrium; plunge headlong.

Related Words

• descend
• dip
• drop
• flop
• go down
• nose-dive
• plummet
• plunge
• sag
• skid
• slip
• slump
• spill
• stumble
• topple