will have been invaliding

• 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 invalid.
  invalid

  noun

  an infirm or sickly person.

Related Words

• baseless
• false
• inoperative
• irrational
• null
• unfounded
• unreasonable
• unscientific
• unsound
• untrue