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• v  corrupt morally or by intemperance or sensuality
• v  make imperfect
• v  take away the legal force of or render ineffective
• s  impaired by diminution
• s  ruined in character or quality

• Part of them blow fresh air into the tunnel floor through vents, others suck vitiated air through ducts in the tunnel ceiling.
• The Pentagon particularly resented Syria's shipments of night-vision goggles, which could have vitiated one of its key technological advantages.
• The impeachment proceedings were later invalidated by an appeals court judge in 1993, although that ruling was itself later vitiated by the Supreme Court.

• corrupt
• pervert
• subvert
• demoralize
• demoralise
• debauch
• debase
• profane
• vitiate
• deprave
• misdirect
• mar
• impair
• spoil
• deflower
• invalidate
• void
• diminished
• lessened
• weakened
• corrupted
• debased

• validate

News & Articles

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• JAY AMBROSE: Obama delivers a blow to minority students
  Acting unconstitutionally, without benefit of Congress, President Barack Obama has vitiated President George W. Bush's No Child Left Behind law.
  Aug. 14, 2013 - The San Angelo Standard-Times

Quotes

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• Pranab Mukherjee in Reuters India
  It has vitiated the atmosphere,Mukherjee said of the attacks in an interview to NDTV television. "While we have no intention of not carrying on with the peace process, when people's sentiments are affected it creates an atmosphere not to...
• HD Deve Gowda in SINDH TODAY
  The BJP has vitiated the peaceful and secular atmosphere in the state by failing to crack down on right wing forces indulging in moral policing, breakdown in law and order and poor governance,Gowda added.
• Iftikhar Mohammed Chaudhry in Pakistan Link
  The bench, headed by Chief Justice Iftikhar Muhammad Chaudhry, said in its ruling that the privatisation process had been "vitiated by legal violations by state functionaries, including acts of omissions and commissions".