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infest Hear it!

infest definition

in·fest (in fest′)

transitive verb

  1. to overrun or inhabit in large numbers, usually so as to be harmful or bothersome; swarm in or over
  2. to be parasitic in or on (a host)

Etymology: Fr infester < L infestare, to attack, trouble < infestus, hostile < in-, in + IE base *dhers-, to be bold, attack > dare

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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