Meaning & use

counteract

verb·Academicformal

Last updated

UK/ˌkaʊntərˈækt/
US/ˌkaʊntərˈækt/

Meaning

  1. verbtransitiveformal

    To weaken or cancel the effect of something by acting against it.

    Grammar: Always takes an object: counteract the effects of the poison.

    Patterns

    • counteract something
    • counteract the effects of something

    Antidotes counteract the effects of certain poisons.

    The company launched a campaign to counteract the bad publicity.

    Exercise can help counteract the stiffness of sitting all day.

Word forms

third person singularcounteracts
past tensecounteracted
past participlecounteracted
-ing formcounteracting

Common combinations

counteract the effects
A walk may counteract the effects of a long flight.
counteract the trend
The city hoped to counteract the trend of closing shops.
counteract the poison
The drug counteracts the poison in the blood.
help counteract
Vitamin C may help counteract tiredness.
counteract a threat
New laws aim to counteract the threat of fraud.
counteract the damage
Planting trees can counteract the damage from logging.

Synonyms and how they differ

offset
Offset means to balance one thing against another, often in numbers or costs, while counteract is more about opposing a force.
neutralize
Neutralize suggests removing the effect completely, whereas counteract may only reduce it.
oppose
Oppose can mean to disagree or fight against anything, but counteract refers to a specific effect.
negate
Negate is a stronger, more formal word for wiping out something entirely.

Opposites

Word family

counteraction noun
an action that opposes another
counteractive adjective
tending to oppose an effect
counteractant noun
something that opposes an effect, especially a drug
act verb
to do something

Commonly confused: counteract or counterattack? counteract or counteroffer?

counteract vs counterattack

A counterattack is an attack made in return, while to counteract is to reduce an effect.

counteract vs counteroffer

A counteroffer is a changed proposal in negotiation, unrelated to opposing an effect.

Practice

Which word could replace counteracts in: The medicine counteracts the poison?

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