counteract
C1Formal, Academic, Technical
Definition
Meaning
To act against something in order to reduce its force or neutralize its effect.
To oppose and mitigate the impact of an action, process, force, or condition.
Linguistics
Semantic Notes
Implies an intentional, opposing action aimed at neutralization or balance. Often used with negative forces (poisons, effects, influences, trends).
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Spelling variations follow general BrE/AmE patterns (e.g., 'counteract the effects' vs. 'counteract the effects').
Connotations
Neutral to formal in both varieties.
Frequency
Slightly more frequent in AmE written corpus, but common in both.
Vocabulary
Collocations
Grammar
Valency Patterns
transitive verb: counteract + [direct object]passive: be counteracted by + [agent]Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “To counteract the effects of (common phrase)”
Usage
Context Usage
Business
Strategies to counteract a competitor's market share.
Academic
The study aimed to find a compound to counteract the toxin.
Everyday
Eating healthy food can counteract the effects of stress.
Technical
The engineer designed a system to counteract the centrifugal force.
Examples
By Part of Speech
verb
British English
- The government introduced tariffs to counteract the dumping of cheap imports.
- This medicine helps to counteract the side effects of the treatment.
American English
- The Federal Reserve raised interest rates to counteract inflation.
- We added insulation to counteract the heat loss.
adverb
British English
- N/A
American English
- N/A
adjective
British English
- N/A
American English
- N/A
Examples
By CEFR Level
- Drink water to counteract the heat.
- The new policy will counteract the problem.
- The charity's work aims to counteract poverty in the region.
- These exercises are designed to counteract back pain from sitting.
- The central bank intervened to counteract the currency's rapid depreciation.
- Antioxidants in the diet may help counteract cellular damage caused by free radicals.
Learning
Memory Aids
Mnemonic
Think: COUNTER (against) + ACT (take action) = to act against something.
Conceptual Metaphor
FORCE IS AN OPPONENT (e.g., 'fight against', 'combat the effects')
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid calquing with 'контракт' (contract).
- Not 'противостоять' which is more 'withstand'.
- Closer to 'нейтрализовать', 'противодействовать', 'компенсировать'.
Common Mistakes
- Using 'counteract against' (redundant).
- Confusing with 'counterattack' (military).
- Misspelling as 'counter-act'.
Practice
Quiz
Which word is closest in meaning to 'counteract' in this sentence: 'The drug was administered to counteract the venom's effects.'
FAQ
Frequently Asked Questions
Yes, it is more common in formal, academic, and technical contexts, though understood in everyday speech.
Typically used to act against negative forces or effects. To act against a positive force, words like 'offset' or 'counterbalance' might be more neutral.
'Prevent' means to stop something from happening. 'Counteract' means to act against something that is already happening or has happened to reduce its effect.
It is a transitive verb and takes a direct object (counteract something). Do not use 'counteract against'.