insidious

insidious definition - medical

in·sid·i·ous (ĭn-sĭdˈē-əs)

adjective
Being a disease that progresses with few or no symptoms to indicate its gravity.

Related Forms:

  • in·sidˈi·ous·ly adverb

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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