9 Grammatical Pitfalls


[im-paird] /ɪmˈpɛərd/
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
impair + -ed2
Related forms
unimpaired, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for unimpaired
  • The headwaters are unimpaired, with the exception of a number of reservoirs.
  • Complaints may be few, and physical health may remain unimpaired, though emotional health is far harder to gauge.
  • He is physically unimpaired afterward, as coy and debonair as ever, but his mind has begun playing tricks.
  • The cognitive ability of the rats was unimpaired in other respects.
  • He was sending text messages at the same time, so his coordination seems unimpaired.
  • Soldiers are surviving some brain injuries with only their brain stems unimpaired.
British Dictionary definitions for unimpaired


not reduced or weakened in strength, quality, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for unimpaired

1580s, from un- (1) "not" + past participle of impair. Rare before c.1760.

Online Etymology Dictionary, © 2010 Douglas Harper
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