Advertisement - Continue reading below

Definition of "counteract" []

  • To oppose and mitigate the effects of by contrary action; check. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "counteract" in a sentence
  • "Another influence we have to counteract is that of newspaper headings and placards which catch the eye of children in the streets and appeal so powerfully to their imagination."
  • "To ease symptoms, your doctor might change the drug or dose, or add another drug to help counteract akathisia, such as a beta-blocker or a benzodiazepine like clonazepam (Klonopin and generic). metoclopramideprochlorperazine"
  • "To ease symptoms, your doctor might change the drug or dose, or add another drug to help counteract akathisia, such as a beta-blocker or a benzodiazepine like clonazepam Klonopin and generic. metoclopramideprochlorperazine"