Related Clues:

• Wipes out
• Nincompoop
• Makes ineffective
• Makes null and void
• Nullifies
• Denies
• Cancels out
• Voids
• Proves false
• Disestablishes
• Renders ineffective
• Brings to naught
• Countermands
• It may get sent about age, but this cancels it out
• Denies beaten army leaves East Germany in disguise