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Definition to weaken or render something ineffective
  • When everyone else has lost interest, the regulated companies continue to work to vitiate or even direct the regulating agency.
  • Once in power, he worked to vitiate the Democratic process.
  • Casting her vitiated the role.
  • It is deplorable to see how completely his past life has degenerated his once noble constitution, and vitiated the whole system of his organization.
    Anne Bronte  --  The Tenant of Wildfell Hall
  • The musical comedy was good, but the almost unbearable heat and the vitiated air spoiled her enjoyment.
    Zane Grey  --  The Call of the Canyon
  • The flare of light vitiated the air, heated it, but seemed to the child's sick sense to illuminate nothing.
    Grace MacGowan Cooke  --  The Power and the Glory
  • The fact that no one had ever determined which estate it was, or whom it was assigned to, did not vitiate the all too acceptable rumors.
    Robert Ludlum  --  The Bourne Ultimatum
  • 'Unless air is incessantly renewed it becomes vitiated,' I said, 'and fatal to those who breathe it.
    Johann Wyss  --  The Swiss Family Robinson
  • Yet the least defect of self-possession vitiates, in my judgment, the entire relation.
    Ralph Waldo Emerson  --  Selected Essays
  • The slaveholder's sons are, of course, vitiated, even while boys, by the unclean influences every where around them.
    Harriet Jacobs  --  Incidents in the Life of a Slave Girl
  • The author and the public at once vitiate one another.
    Alexis de Toqueville  --  Democracy In America, Volume 2
  • There was excellent blood in his veins—royal stuff; though sadly vitiated, I fear, by the cannibal propensity he nourished in his untutored youth.
    Herman Melville  --  Moby Dick
  • —and indeed by what thinness, at the best, would such a subject not be vitiated?
    Henry James  --  The Portrait of a Lady - Volume 1
  • —and indeed by what thinness, at the best, would such a subject not be vitiated?
    Henry James  --  The Portrait of a Lady - Volumes 1 & 2
  • The desert regeneration had not stopped at turning weak lungs, vitiated blood, and flaccid muscles into a powerful man; it was at work on his mind, his heart, his soul.
    Zane Grey  --  The Heritage of the Desert
  • Now we know only a few laws, and our result is vitiated, not, of course, by any confusion or irregularity in Nature, but by our ignorance of essential elements in the calculation.
    Henry David Thoreau  --  Walden
  • His endless muttering monologue vitiated every effort I made to think out a line of action, and drove me at times, thus pent up and intensified, almost to the verge of craziness.
    H.G. Wells  --  The War of the Worlds
  • She would not voluntarily give unnecessary pain to any one, and though I may deceive myself, I cannot but think that for me, for my feelings, she would—Hers are faults of principle, Fanny; of blunted delicacy and a corrupted, vitiated mind.
    Jane Austen  --  Mansfield Park
  • If the periods be separated by short intervals, the measures to be reviewed and rectified will have been of recent date, and will be connected with all the circumstances which tend to vitiate and pervert the result of occasional revisions.
    Alexander Hamilton, James Madison, & John Jay  --  The Federalist Papers
  • She peeped from the window into the garden, and felt herself more regretful at leaving this spot of black earth, vitiated with such an age-long growth of weeds, than joyful at the idea of again scenting her pine forests and fresh clover-fields.
    Nathaniel Hawthorne  --  The House of the Seven Gables

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