will have been miscalculating

• 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 miscalculate.
  miscalculate

  verb (used with or without object)

  to calculate or judge incorrectly.

Related Words

• err
• misconstrue
• misinterpret
• misjudge
• misread
• misunderstand
• overestimate
• overrate
• overvalue
• underestimate
• undervalue