- weakened, diminished, or damaged: impaired hearing; to rebuild an impaired bridge.
- functioning poorly or inadequately: Consumption of alcohol results in an impaired driver.
- deficient or incompetent (usually preceded by an adverb or noun): morally impaired; sports-impaired.
Origin of impaired
- to make or cause to become worse; diminish in ability, value, excellence, etc.; weaken or damage: to impair one's health; to impair negotiations.
- to grow or become worse; lessen.
- Archaic. impairment.
Origin of impair1
SynonymsSee more synonyms for on Thesaurus.com
Examples from the Web for impaired
Girma realized that law was her best tool to get equal footing for herself and the wider population of impaired Americans.TEDx Talks Have a Disability Problem—but This Incredible Young Woman Is Working to Change That
November 5, 2014
Without independence, both in fact and in appearance, objectivity is impaired.Who Inspects the Inspector?
August 20, 2013
As it does so, however, it is impaired and heavily influenced by its own horrific failings of nearly a century ago.Why Europe’s Response to the Cyprus Crisis Has Been Ineffectual
March 24, 2013
AmEx announced Thursday that its earnings would be impaired by three major charges.American Express Charges Backward, Laying Off 5,400
January 11, 2013
They are, he said, serial huggers who often have impaired relationships with same-sex companions.Jerry Sandusky Trial, Day Six: Dottie Defends Her Man
June 19, 2012
Lydia's perfectly concrete faith was not impaired in the least.The Prisoner
About the last year his sight, which had been impaired for many years, failed.The Standard Oratorios
George P. Upton
Time cannot change it, nor can it be impaired by the decrees of tyranny or of justice.Stories of Comedy
The bey was always pleasant with me, but my influence was impaired.The Nabob, Volume 1 (of 2)
So his judgment is impaired and the moral dignity of his soul debased.Aims and Aids for Girls and Young Women
George Sumner Weaver
- (tr) to reduce or weaken in strength, quality, etchis hearing was impaired by an accident
Word Origin and History for impaired
late 14c., earlier ampayre, apeyre (c.1300), from Old French empeirier (Modern French empirer), from Vulgar Latin *impeiorare "make worse," from assimilated form of in- "into, in" (see in- (2)) + Late Latin peiorare "make worse" (see pejorative). In reference to driving under the influence of alcohol, first recorded 1951 in Canadian English. Related: Impaired; impairing.