Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- v. To reduce the value or impair the quality of.
- v. To corrupt morally; debase.
- v. To make ineffective; invalidate. See Synonyms at corrupt.
Century Dictionary and Cyclopedia
- To render vicious, faulty, or imperfect; injure the quality or substance of; cause to be defective; impair; spoil; corrupt: as, a vitiated taste.
- To cause to fail of effect, either in whole or in part; render invalid or of no effect; destroy the validity or binding force of, as of a legal instrument or a transaction; divest of legal value or authority; invalidate: as, any undue influence exerted on a jury vitiates their verdict; fraud vitiates a contact; a court is vitiated by the presence of unqualified persons sitting as members of it.
- Synonyms Pollute, Corrupt, etc. (see taint), debase, deprave.
Wiktionary
- v. transitive to spoil, make faulty; to reduce the value, quality, or effectiveness of something
- v. transitive to debase or morally corrupt
- v. transitive, archaic to violate, to rape
- v. transitive to make something ineffective, to invalidate
GNU Webster's 1913
- v. To make vicious, faulty, or imperfect; to render defective; to injure the substance or qualities of; to impair; to contaminate; to spoil
- v. To cause to fail of effect, either wholly or in part; to make void; to destroy, as the validity or binding force of an instrument or transaction; to annul.
WordNet 3.0
- v. corrupt morally or by intemperance or sensuality
- v. make imperfect
- v. take away the legal force of or render ineffective
Etymologies
- From vitiātus, the perfect passive participle of Latin vitiō ("damage, spoil"), from vitium ("vice"). (Wiktionary)
- Latin vitiāre, vitiāt-, from vitium, fault. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“But though there is an inaccuracy in saying that the freezing of water is due to the loss of its heat, no practical error arises from it; nor will a parallel laxity of expression vitiate our statements respecting the multiplication of effects.”
“Just remembered that I completely forgot to add a Word of the Week this week - so in view of the topic, how about 'vitiate'?”
“Chief minister BS Yeddyurappa cautioned the Congress against any attempt to "vitiate" the law and order situation with their provocative speeches and asserted that his government was capable of handling such situations.”
“It is a duty society owes to itself to discountenance everything which tends to vitiate public taste.”
“You cannot solve or thwart sin by sinning; you cannot claim to be upholding truth and human dignity by taking selective measures or employing means that vitiate core principles.”
“He writes that this clause "is not an independent source of federal power" and "would vitiate the enumerated powers principle.”
“(Of course, this finding doesn't vitiate the importance of how children are fed, and eat, after they descend onto the earth.)”
“There are a lot of other people who also bear responsibility, however, that does not vitiate Joe Paterno's duties to the victimized children.”
The Huffington Post: Joe Paterno, the Penn State Tragedy and Child Molestation
“But it sounded much more cautious on growth, noting that "continuing uncertainty about energy and commodity prices may vitiate the investment climate, posing a threat to the current growth trajectory.”
The Wall Street Journal: India Central Bank Raises Key Rates
“Yet expanding the longstanding authority to regulate interstate commerce to compel individuals to participate in commerce would vitiate the government of limited and enumerated powers that the framers envisioned.”
Lists
These user-created lists contain the word ‘vitiate’.
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important
shamanism, consol, sanguine, iffy, affinity, concatenation, honed, innumberable, aiden, inexorable, vet, suss and 176 more...
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Iaan
dirigisme, dystopia, cacotopia, ex ante, veritable, indefatigable, curmudgeon, desultory, antediluvian, transmogrify, pendent, elongate and 272 more...
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GRE Barron's 800
abate, abdicate, aberrant, abeyance, abject, abjure, abscission, abscond, abstemious, abstinence, abysmal, accretion and 787 more...
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GRE 2014
abase, abate, abdicate, aberrant, abeyance, abhor, abjure, abortive, abound, abrasive, abreast, abridge and 1577 more...
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phrontistery-v
from phrontistery.info
vaccary, vaccimulgence, vaccine, vacillate, vadelect, vade-mecum, vadimony, vadose, vafrous, vagient, vagile, vagility and 396 more...
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Words build meanings from origins( et...
These come from gamma meditation ,I think.
discursive, exogenous, machinations, purportedly, sumptuous, congruity, cantankerous, incongruous, festoon, hessian, ratiocinative, stratigraphic and 2057 more...
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Philosophic , etymology
every major discipline has uniquely developed esoteric nomenclature to facilitate interdisciplinary dissemination
quale , qualia, elegy, tacet, lexicon, annunciate, caste, eros, contrive, purlicue, irony, venacular, dilapidate and 569 more...
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Outwardly secondary
vitiate, compenetrate, ingeminate, prolific, philoprogenitive, diaphaneity, diaphanous, saturnine, tepidness, inanity, knavery, adumbrate and 2 more...
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Vocab
goat rodeo, fardel, quotidian, deportment, opprobrium, deracinated, inculcate, desultory, orotund, chivvy, diktat, casuistry and 30 more...
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EN - high brow
abrogate, abstemious, abstract of law, alderman, apocryphal, apostasy, apoplexy, apotheosis, apposite, aver, decorous, apprehensive and 51 more...
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ash vocab
flippant, fillip, expiate, explicate, extirpate, facile, florid, fealty, allegiance, fetid, febrile, pert and 134 more...
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Words from Moby Dick
frigate, presumptuous, genteel, succor, hearthstone, gentry, factitious, bilious, insurgent, portent, enervate, genuflect and 303 more...
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GRE Words
abjure, unswear, state, rescission, indemnification, ab, reny, abnegate, vitiated, vitiate, adumbrated, abash and 378 more...
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Faves
nepenthe, cupidity, anodyne, obdurate, doleful, obsolescent, quale, piquant, velleity, inchoate, disport, facile and 366 more...
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NTDW1
template, modal, sublingual, tandem, polycentric, septuagenarian, token, irrevocable, denotive, augural, aberrant, phlebotomy and 1188 more...
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GRE list 1
Bloviate, Bacchanalia, mirth, covet, inconsequential, prescient, heresy, revelry, modality, gentrify, vitiate, tantalize and 182 more...
Tweets
Looking for tweets for vitiate.

kingparton Many vitiate their principles in the acquisition of riches; and who can wonder that what is gained by fraud and extortion is enjoyed with tyranny and excess?
Samuel Johnson, "The Rambler (No. CLXXII)" Jul 24, 2011
brtom For loud prayer is good for weak lungs and for a vitiated throat. (from Jubilate Agno by Christopher Smart) Dec 31, 2007