ill

ill definition - medical

ill (ĭl)

adjective
  1. Not healthy; sick.
  2. Not normal, as a condition; unsound.
noun
A disease or illness, especially of animals.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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