will have been blundering

• 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 blunder.
  blunder

  noun

  a gross, stupid, or careless mistake.

Related Words

• blooper
• error
• fault
• gaffe
• goof
• inaccuracy
• indiscretion
• lapse
• oversight