will have negated

• future perfect

  future perfect

  Used to describe an action that will be fully completed or achieved by a specific point in the future.

  of negate.
  negate

  verb (used with object)

  to deny the existence, evidence, or truth of.

Related Words

• annihilate
• belie
• cancel out
• disallow
• disprove
• invalidate
• neutralize
• nullify
• rebut
• reverse
• undo
• vitiate
• void