was invaliding

• past progressive

  past progressive

  Used to describe an ongoing action or continuous state that was happening at a specific time in the past.

  of invalid.
  invalid

  noun

  an infirm or sickly person.

Related Words

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