will have been preventing

• 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 prevent.
  prevent

  verb (used with object)

  to keep from occurring; avert; hinder.

Related Words

• avert
• avoid
• bar
• block
• counter
• forbid
• forestall
• halt
• hamper
• hinder
• impede
• inhibit
• limit
• preclude
• prohibit
• put an end to
• restrain
• restrict
• rule out
• stop