impair Hear it!

impair definition

im·pair (im per′)

transitive verb

to make worse, less, weaker, etc.; damage; reduce

Etymology: ME empeiren < OFr empeirer < VL *impejorare < L in-, intens. + LL pejorare, to make worse: see pejorative

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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