adj · neutral

effective

UK/ɪˈfektɪv/US/ɪˈfɛktɪv/e·FEC·tive

Band 5-6speakingtask2

successful in producing a desired result

Examples

The new campaign was effective at cutting plastic use in the city.

An effective teacher explains difficult ideas clearly and helps students understand.

This vaccine proved effective in preventing the disease.

Band 8 sentence

The public-awareness campaign proved highly effective, reducing single-use plastic consumption by nearly 30% within a year.

Collocations

  • highly effective
  • effective in/at + V-ing
  • prove effective

Word family

effect nouneffectively adveffectiveness noun

Common mistakes

more effective thanmore effective than

effective with someoneeffective for someone

use effectivelyuse effectively

Say it for a higher band

5good6useful7+effective

Synonyms

successful

useful

Easily confused

efficient

The new production line is more efficient and uses less energy.

Related words

Learn this word with the rest of its set, and get reminded at the right time.

In -ive

Learn it with its set