verb
- to act against something in order to reduce or prevent its effect
Usage: third person singular present tense of counteract
Examples
- The medicine counteracts the effects of the poison.
- Exercise counteracts the negative effects of a sedentary lifestyle.
- The new policy counteracts years of environmental damage.
- Vitamin C counteracts some of the harmful effects of smoking.
- The antacid counteracts stomach acid to relieve heartburn.
- Regular stretching counteracts muscle stiffness from sitting all day.