• WordNet 3.6
    • n impairment the act of making something futile and useless (as by routine)
    • n impairment damage that results in a reduction of strength or quality
    • n impairment the occurrence of a change for the worse
    • n impairment the condition of being unable to perform as a consequence of physical or mental unfitness "reading disability","hearing impairment"
    • n impairment a symptom of reduced quality or strength
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: Three million people in the United States have an impairment of the back or limbs that is a direct result of an accidental fall.
    • n Impairment The state, act, or process of being impaired; injury. "The impairment of my health."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: Motorists who talk on cell phones are more impaired than drunk drivers with blood-alcohol levels exceeding .08
    • n impairment The act of impairing, or the state of being impaired; diminution; decrease; injury.
    • ***


  • Seneca
    “Consult your friend on all things, especially on those which respect yourself. His counsel may then be useful where your own self-love might impair your judgment.”
  • Jean De La Bruyere
    “Avoid lawsuits beyond all things; they pervert your conscience, impair your health, and dissipate your property.”
  • John F. Kennedy
    “The ignorance of one voter in a democracy impairs the security of all.”
  • Theodore Roosevelt
    “The nation behaves well if it treats the natural resources as assets which it must turn over to the next generation increased, and not impaired, in value.”


Webster's Revised Unabridged Dictionary
OE. enpeirement, OF. empirement,


In literature:

They seem beautiful at first, but sameness impairs the charm by and by.
"Roughing It, Part 6." by Mark Twain (Samuel Clemens)
And when once a man's sense of personal neatness is impaired, he is apt to lose it utterly.
"Tales of Two Countries" by Alexander Kielland
If the isochronism is but little impaired, we obtain a note corresponding to the mean interval of the shocks.
"Scientific American Supplement, No. 401, September 8, 1883" by Various
My sight has been very much impaired during the last month; after sundown, I am in total darkness.
"Explorations in Australia, The Journals of John McDouall Stuart" by John McDouall Stuart
The free admission of French wines has corrupted taste and impaired palate.
"Lord Kilgobbin" by Charles Lever
This to some extent impairs the conductivity of the circuit.
"Scientific American Supplement, No. 433, April 19, 1884" by Various
His constitution had been much impaired, he said, by his long residence in Calcutta.
"Henry Dunbar" by M. E. Braddon
It is yet in your own power to establish or impair it.
"Clarissa, Volume 1 (of 9)" by Samuel Richardson
Any removal or change would be hazardous and more likely to impair than consummate his happiness.
"Female Scripture Biographies, Vol. I" by Francis Augustus Cox
How little did I foresee that the day would come when my health would be impaired, my thoughts perpetually employed, in so destructive a pursuit!
"Beaux and Belles of England" by Mary Robinson
If that is out of the way, I shall still have one good eye, when the new cataract impairs the sight of the other.
"The Grand Old Man" by Richard B. Cook
Still it should be remembered that the elasticity must not amount to toughness, for if it does the quality of the bread is impaired.
"Woman's Institute Library of Cookery, Vol. 1" by Woman's Institute of Domestic Arts and Sciences
Retain the execution of the Red Thrush, but hopelessly impair his organ, and you have the Cat-Bird.
"Atlantic Monthly, Volume 10, Number 59, September, 1862" by Various
We think also that it is inconsistent with the spirit of the constitution in that it impairs the obligation of contracts.
"Monopolies and the People" by D. C. Cloud
This in part may be due to the feeble nutrition associated with impairment of function in advancing years.
"A System of Practical Medicine by American Authors, Vol. I" by Various
It is sometimes said that the too objective study of a piece may impair the "individuality" of its rendition.
"Piano Playing" by Josef Hofmann
Common sensibility is generally impaired.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 5" by Various
Miss Nightingale's friendship with Mr. and Mrs. Herbert was in no way impaired.
"The Life of Florence Nightingale vol. 1 of 2" by Edward Tyas Cook
Yet this very money must be paid for, and, in view of the gradually impaired credit, paid for rather generously.
"The Railroad Problem" by Edward Hungerford
Nor was his popularity impaired during his administration.
"Makers and Romance of Alabama History" by B. F. Riley

In poetry:

The youthful joys of vanish'd years,
The joys e'en now we share,
Have something of a sacred bliss,
Which time can not impair.
"To A Friend - -" by Thomas Frederick Young
But come, my Friend! with taste, with science blest,
Ere age impair me, and ere gold allure:
Restore thy dear idea to my breast,
The rich deposit shall the shrine secure.
"Elegy IX. He Describes His Disinterestedness to a Friend" by William Shenstone
His genius and his moral frame
Were thus impaired, and he became
The slave of low desires:
A Man who without self-control
Would seek what the degraded soul
Unworthily admires.
"Ruth" by William Wordsworth
THOUGH tempers are bad and peevish folks swear,
Remember to ruffle thy brows, friend, ne'er;
And let not the fancies of women so fair
E'er serve thy pleasure in life to impair.
"The Way To Behave" by Johann Wolfgang von Goethe
So too may soothing Hope Thy heave enjoy
Sweet visions of long-severed hearts to frame:
Though absence may impair, or cares annoy,
Some constant mind may draw us still the same.
"Twenty-Fourth Sunday After Trinity" by John Keble
Good Nightingale! thou speakest wondrous fair,
Yet for all that, the truth is found elsewhere;
For Love in young folk is but rage, I wis:
And Love in old folk a great dotage is;
Who most it useth, him 'twill most impair.
"From The Cuckoo And The Nightingale" by William Wordsworth

In news:

If you've never been to Dark Dining, it's more than a fundraiser for the Central Association for the Blind & Visually Impaired.
She was headed for impairment, but a pediatrician spotted the red flags.
Hydroxyethylstarch used for volume restoration in brain-dead kidney donors has been associated with impaired kidney function in the transplant recipients.
The Visually Impaired Person's Group meeting .
The Visually Impaired Person's Group will meet on Monday at 10:00AM, Nov 5th, at the Main Street Church of Christ Fellowship Hall in Manchester.
Hearing impairment is a gradual process, and may go undetected for a long time.
Hearing impaired student sets record for Monroe High School.
Public school districts, working with parents, are responsible for hearing-impaired children's education from ages 3 to 22.
Budget cuts must not impair military.
Team Sense Project Uses Design to Aid Visually Impaired.
People of all ages may experience physical impairments that interfere with the ability to communicate .
Head injuries often impair medical decision-making skills.
"We believe that this decision clearly violates the founding law of national parks which mandates the agency to "conserve the scenery and protect park resources from impairment.
Law enforcement agencies across Florida are holding crackdowns to stop impaired driving.
Agencies to launch impaired driving crackdowns.

In science:

Other functions, such as language, attention and visuospatial skills, may be impaired in either type.
Human Information Processing with the Personal Memex
People with macular degeneration prefer dim lit conditions than brightly lit conditions and high contrast. There will be lot of differences in designing for this group depending on whether the visual impairment was acquired or if it was present at birth.
Human Information Processing with the Personal Memex
There is however a simple alternative, inspired by Schapire and Singer (1999), which consists in smoothing out δj when necessary, thus guaranteeing its finiteness without impairing convergence.
Boosting k-NN for categorization of natural scenes
Nevertheless, the performance of such schemes is inherently limited by the fact that downscaling the PZ correction impairs the accuracy of differential ionization energies.
Koopmans' condition for density-functional theory
When degradation of the signal level to two points occurs, bandwidth is reduced to several hundred kilobits per second and average network jitter is of the order of 31 ms and increases strongly during the impairment of communication.
Duplication of Key Frames of Video Streams in Wireless Networks
If two pieces of information extracted by the content selection phase end up together but should not, in fact, be next one to another, surface devices will not repair the impaired flow of information in the summary.
Inferring Strategies for Sentence Ordering in Multidocument News Summarization
Modularity also enhances evolvability because it allows different parts to be optimized separately without impairing the functioning of other parts.
The Emergence of Modularity in Biological Systems
Impaired performance of FDR-based strategies in whole-genome association studies when SNPs are excluded prior to the analysis.
Multiple Testing for Exploratory Research
The relation |Q| > ∼ ¯h/∆px is not in conflict with the condition |Q| ≪ c∆t, as ∆px can be arbitrarily great without impairing the accuracy of the determination of the measured field component when the test body’s charge density is chosen sufficiently great [see Eq. (46) of BR].
Comment on "Limits of the measurability of the local quantum electromagnetic-field amplitude"
It was found that both, selfconsistency in G (GW0 ) and selfconsistency in G and W (GW ), impair the agreement with experimental data.
Quasiparticle band structure based on a generalized Kohn-Sham scheme
In deformed nuclei, single-particle levels often lie very close together, which impairs our ability to correctly deduce GS spins and parities.
Global microscopic calculations of ground-state spin and parity for odd-mass nuclei
However this does not impair the conclusion drawn about the uncertainty arising from the high single-particle level density in deformed nuclei.
Global microscopic calculations of ground-state spin and parity for odd-mass nuclei
There are however decay modes that are not readily exclusivereconstructable, but very attractive from the view point of the physics, or that of a large branching ratio - impaired in reconstruction usually by missing particles.
B-Reconstruction Methods via Geometro-Kinematic Constraints (I)
Rivoal, La fonction zˆeta de Riemann prend une infinit´e de valeurs irrationnel les aux entiers impairs, C. R.
An Euler-type formula for $\beta(2n)$ and closed-form expressions for a class of zeta series
We exclude uniquely ergodic systems from the wicked ones because otherwise every uniquely system would be both wicked and wonderful — which would sound great in a Lewis Carroll novel but impair our attempt to set the definitions in a roughly well-behaved-to-pathological order.
Ergodic theory of generic continuous maps