- to act in opposition to; frustrate by contrary action.
Origin of counteract
SynonymsSee more synonyms on Thesaurus.com
neutralize, counterbalance, contravene, thwart.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for counteract
We could use more of those moments to counteract the constant saccharine spin.Mitt Romney’s Tax Idea Would Wallop High-Income Blue States
April 17, 2012
Courts are given independence under our system precisely to counteract the unconstitutional actions of the majority.Obama’s Comments Remind Us How Meaningless ‘Judicial Activism’ Is
April 4, 2012
When exercise feels like a dreaded chore, our bodies release stress hormones that counteract many of its positive effects.The New Science of Reverse Aging
November 7, 2010
You have to counteract it with something, and I guess discipline was the mark.Christopher Plummer on Sex, Booze, and Dogs
August 30, 2010
When you exercise, your body releases hormones called endorphins, which not only counteract stress but also lower cortisol levels.Do Your Genes Make You Fat?
Arthur Agatston, M.D.
January 4, 2010
He does not wish me to be there without his presence to counteract my evil influences.Wilfrid Cumbermede
This impression, however, I found I could counteract the moment I had time for reflection.Patrick Henry
Moses Coit Tyler
To no end did Barrington exert himself to conceal or counteract this frigidity.Barrington
Charles James Lever
Warnings have been broadcasted, but there are no stocks of chemicals that might counteract it.
Hence, we must counteract the ocular deception by an adjustment of proportions.Ten Books on Architecture
- (tr) to oppose, neutralize, or mitigate the effects of by contrary action; check
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for counteract
Online Etymology Dictionary, © 2010 Douglas Harper