• WordNet 3.6
    • v vitiate take away the legal force of or render ineffective "invalidate a contract"
    • v vitiate make imperfect "nothing marred her beauty"
    • v vitiate corrupt morally or by intemperance or sensuality "debauch the young people with wine and women","Socrates was accused of corrupting young men","Do school counselors subvert young children?","corrupt the morals"
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Webster's Revised Unabridged Dictionary
    • Vitiate 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; as, any undue influence exerted on a jury vitiates their verdict; fraud vitiates a contract.
    • Vitiate To make vicious, faulty, or imperfect; to render defective; to injure the substance or qualities of; to impair; to contaminate; to spoil; as, exaggeration vitiates a style of writing; sewer gas vitiates the air. "A will vitiated and growth out of love with the truth disposes the understanding to error and delusion.""Without care it may be used to vitiate our minds.""This undistinguishing complaisance will vitiate the taste of readers."
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Century Dictionary and Cyclopedia
    • vitiate To render vicious, faulty, or imperfect; injure the quality or substance of; cause to be defective; impair; spoil; corrupt: as, a vitiated taste.
    • vitiate 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.
    • vitiate Synonyms Pollute, Corrupt, etc. (see taint), debase, deprave.
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Chambers's Twentieth Century Dictionary
    • v.t Vitiate vish′i-āt to render faulty or defective: to make less pure: to deprave: to taint—earlier Vi′ciate
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Webster's Revised Unabridged Dictionary
L. vitiatus, p. p. vitiare, to vitiate, fr. vitium, a fault, vice. See Vice a fault
Chambers's Twentieth Century Dictionary
L. vitiāre, -ātumvitium. See Vice (2).


In literature:

Vitiated as it may be by crudity and incoherency, it has at any rate the freshness of a great emotion.
"A Little Tour in France" by Henry James
The vitiated air might rise above the apertures, and so accumulate without the means of escape.
"Notes and Queries, Number 236, May 6, 1854" by Various
No more at school than at home was his life vitiated by vices.
"Ulysses S. Grant" by Walter Allen
And yet, how such Bodies, when unfrozen, will appear quite vitiated by the excessive Cold?
"Philosophical Transactions of the Royal Society - Vol 1 - 1666" by Various
Nobody could have lived long shut up in that space, breathing the vitiated air.
"Dorothy's House Party" by Evelyn Raymond
All this must have unavoidably vitiated Mr. Seward's better nature.
"Diary from March 4, 1861, to November 12, 1862" by Adam Gurowski
And it grows into a bastard of truth, exhaling odors as vitiated as the breath of a toad!
"Sunlight Patch" by Credo Fitch Harris
But consideration shows that there are two ways in which these last comparisons are vitiated.
"Essays: Scientific, Political, & Speculative, Vol. I" by Herbert Spencer
The flesh of man was incurably vitiated, and if he was to be saved a new body must be prepared for him.
"Bunyan" by James Anthony Froude
His entire psychology, both social and individual, is vitiated by a naive and headstrong intellectualism.
"Shelley, Godwin and Their Circle" by H. N. Brailsford
Some of it is almost fine, though too often vitiated by the affected, exaggerated spirit of their day.
"The Venetian School of Painting" by Evelyn March Phillipps
The minds of even young children are vitiated from the earliest age.
"Our Moslem Sisters" by Annie Van Sommer
His talent in writing is vitiated by his affectation and other faults.
"The Philippine Islands, 1493-1898 - Volume 40 of 55" by Francisco Colin
Unluckily, the judgment of both is vitiated by a common defect.
"Pot-Boilers" by Clive Bell
There is, moreover, a paradox in the idea of vitiated bodies reforming themselves.
"The Writings Of Thomas Paine, Complete" by Thomas Paine
She is not at all the girl to have a vitiated taste about young men.
"Lady Anna" by Anthony Trollope
Is this not vitiating our feelings, blunting our desire for the better, our repugnance for the worse?
"Euphorion" by Vernon Lee
In this fatal mistake, we discover the error which has vitiated all premises from which he has been reasoning.
"Solaris Farm" by Milan C. Edson
Dryden's earlier poems are infinitely more vitiated in this respect.
"The Works of Alexander Pope, Volume 1" by Alexander Pope
He said the atmosphere of Paris was vitiated.
"An Englishman in Paris" by Albert D. (Albert Dresden) Vandam

In poetry:

Still worse, a moral degradation
Thus cradled, vitiates the race;
Among the rising generation
A lust for slaughter grows apace.
"Bird Slaughter" by John Lawson Stoddard

In news:

The Environmental Protection Agency has strenuously objected to the Energy Department 's recommendations to the White House to revise air pollution regulations, saying the proposals would "vitiate" the nation's clean air policy.
It notes the Latin root vitium means "fault, vice," and defines it first as "to make faulty or defective" with a quotation from William Styron: "The comic impact is vitiated by obvious haste".

In science:

The conservation of the topological charge is vitiated only if the field g(~x, t) cannot be defined without singularities.
Color Skyrmions in the Quark-Gluon Plasma
The short lifetime of the muon (2.2 µs at rest) vitiates all beam-cooling methods currently in use (electron, stochastic, and laser cooling).
Muon Cooling and Future Muon Facilities: The Coming Decade
While this discussion does not prove one way or the other the importance of non-LTE effects, it does show that there is a need for further work in this area. In the discussion to follow we must keep in mind that there may be effects in the abundances that will ultimately vitiate the conclusions reached here.
The Distribution of the Elements in the Galactic Disk III. A Reconsideration of Cepheids from l = 30 to 250 Degrees
The uncertainties in binary evolution, particularly in the all-important mass and angular momentum loss rates, are so great as to vitiate any attempt at present to build such a library.
MODEST-1: Integrating Stellar Evolution and Stellar Dynamics
Experiments carried out to determine the effect on field emission of dielectric films showed that Pb whiskers could grow through an Al2O3 overcoating and vitiate any reduction of the electric field by the dielectric.
Thin Dielectric Films in Superconducting Cavities
Sch¨afer [ 36] discussed the progress in constructing effective theories for the dynamics near the Fermi surface when unscreened QCD forces vitiate the formalism of Fermi liquid theory.
Quark Matter 2005 -- Theoretical Summary
Larger nuclei have a factor Z advantage in the relative size of the 2γ and 1γ effects, although breakup effects vitiate this advantage for elastic scattering except at low energy.
Two-Photon Physics in Hadronic Processes
This does not, however, conclusively vitiate the Lithwick & Goldreich (2001) theory.
Astrophysical gyrokinetics: kinetic and fluid turbulent cascades in magnetized weakly collisional plasmas
On the other hand nonperturbative dynamics can quite naturally vitiate helicity suppression and thus provide the dominant source of WA.
$D_s$ Lifetime, $m_b$, $m_c$ and $|V_{cb}|$ in the Heavy Quark Expansion
It has been pointed out that these same data vitiate one of the earliest successes of non-SUSY SU(5) GUT—the prediction of the ratio mb/mτ ≃ 3 from b-τ Yukawa coupling unification.
Supercollider Signatures of Supergravity Models with Yukawa Unification
People are even more easily fooled when their ability to detect fooling is explicitly vitiated, for instance, by a prohibition against using “trickery or guile”.5 When I asked Mr.
Lessons from a Restricted Turing Test
However, again the conclusion was wrong since in this limit a boundary layer develops which vitiates the conclusion.
Princeton University Observatory Annual Report, 1997-98