B1adjectivework
US/ɪˈfek.tɪv/
UK/ɪˈfek.tɪv/
working well and producing the result that you want
In context
Regular exercise is an effective way to reduce stress.
The new law has been effective in cutting road accidents.
A short, clear message is more effective than a long one.
Words that go with effective
adjective + noun
- effective wayThis is the most effective way to learn words.
- effective treatmentThere is no effective treatment yet.
- effective methodGroup work is an effective method here.
adverb + adjective
- highly effectiveThe vaccine is highly effective.
- equally effectiveBoth drugs are equally effective.
adjective + preposition
- effective inThe cream is effective in treating rashes.
Common mistakes
Incorrect:
The medicine is efficient against colds.Correct: The medicine is effective against colds.