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tr.v. vi·ti·at·ed, vi·ti·at·ing, vi·ti·ates
1. To reduce the value or quality of; impair or spoil: "His famous compilation of norms was vitiated by a major sampling error" (Frederick Crews).
2. To corrupt morally; debase: "My anxieties ... still are great lest the numerous ... snares of vice should vitiate your early habits of virtue" (Abigail Adams). See Synonyms at corrupt.
3. To make ineffective (a contract or legal stipulation, for example); invalidate.

[Latin vitiāre, vitiāt-, from vitium, fault.]

vi′ti·a·ble (vĭsh′ē-ə-bəl) adj.
vi′ti·a′tion n.
vi′ti·a′tor n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.vitiation - nullification by the destruction of the legal force; rendering null; "the vitiation of the contract"
nullification, override - the act of nullifying; making null and void; counteracting or overriding the effect or force of something
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
But here again enter error of perspective, and vitiation due to the bias of love.
Another observation which pushes me to the same induction--that of the premature vitiation of the American population--is the attitude of the Americans whom I have before me with regard to each other.
Despite vehement opposition, Thatcher oversaw the vitiation of the social welfare system, the aggressive deregulation of the economy and financial liberalization at the expense of the manufacturing sector.
"The agreement was entered into not because of any threat or vitiation of consent, but because the President sees such arrangement as pragmatic which can keep at bay any conflict between two countries, while we gain a venue where we can assert our sovereign rights," he said.
As Edwin Chadwick and other reformers argued, squalid living quarters bred not only unsanitary conditions but also--more significantly--vice and the vitiation of national character; better housing design would lead directly into better, more wholesome, more tractable workers.
They argue that colonialism undermined and to some extent stifled Africa's organic progressive trajectory through the adoption of uncongenial colonial economic policies, persistent denigration and vitiation of the continent's entrenched value system including its sui generis historic democratic configurations.
Ayurveda describes sedentary lifestyle contributes to vitiation of kapha, meda (fat) and mutra (urine); that in turn is responsible for the commencement of Madhumeha or Diabetes.
To the civil libertarian critic, overcriminalization represents a triumph of the authoritarian state and a vitiation of individual rights.
In vitiation is extended to all local and international media.
This heteronomous state could be ruptured only by means of some kind of a revolutionary action,-an act of freedom, or an act of creating this freedom, and also the praxis that can take place under the conditions of the freedom which has already been created while later a broader understanding on the part of Castoriadis upon this notion would set it as creative collective political action.3' This rupture may emerge on condition that the singularity of the personal creative imagination is able to transcend the socially featured model, and become itself the beginning for the vitiation of an institution or its reformation.
These are mostly Catholic thinkers who deplore not just the loss of a common American culture but the vitiation of the Christian ethic that once provided the country with spiritual nourishment.
Different plant characteristics may be influencing bee forage behavior and many characteristics may be working together to influence bee vitiation to different plant species [99].