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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.
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
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.
403) After adoption, the respondents made it difficult for her to visit, which led to a petition under section 72 of the New York Domestic Relations Law to preserve the vitiation rights of the child's natural grandparent.
10) Vitiation of intention is exceptional and will arise only in very limited cases.
The brief sequence available for preview, Cubalibre, named after the ubiquitous cocktail in Fassbinder's Holy Whore and starring Serra stalwarts the two Lluises (Serrat and Carbo), stranded in a gay nightclub with a gaudy cabaret curtain and the annoying lounge singer Xavi, suggests that the full hundred hours of porcine playacting might induce fatal vitiation.
Aamir Fayyaz said the hostile attitude and vitiation of business
Authorities now allow only 20 visitations to Al-Aqrab's detainees; they force families to arrive before the vitiation appointment by up to 12 hours, and his mother is elderly and ill.
Genesis 27:36) Speaking about his birthright as having been taken away from him, proves that Esau had not wanted to sell it, therefore, the purchase agreement was the result of a malicious act which was a serious vitiation of the consent and thus leading to the breaking of the principle of the freedom of consent.
Another Ayurvedic study "concluded that CVS is Vata-Pitta vitiation pathology and needs to be managed by lubricating (Snigdha) and rejuvenating (Rasayana) measures, both locally and systemically" (Dhiman, Ahuja, & Sharma, 2012, p.
Dubuffet's experiments trace something of their genealogy back to Picasso's vitiation of the 'horrible canvas', and its afterlife in early 20th-century collage and assemblage.
However, for his argument to succeed, more needs to be said on the distinction between vitiation and invasion invoked to explain what counts as a hindrance to freedom and how it bears in each of these cases.
In actuality, the changes marked the consolidation of his centralized control over the political system and the vitiation of fragile democratic reforms of the 1980s and 1990s, according to many observers.