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Definition of active adjective from the Oxford Advanced Learner's Dictionary

active

adjective
 
/ˈæktɪv/
 
/ˈæktɪv/
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    busy

  1. always busy doing things, especially physical activities
    • Staying physically active in later years can also keep you feeling younger.
    • Before our modern age, people had a more physical and active lifestyle.
    opposite inactive
    Extra Examples
    • Try to keep active in the cold weather.
    • I was already healthy and active and fit
    • Although he's nearly 80, he is still very active.
    • While housing for the active retired is our backbone, assisted living is a growth area.
    Oxford Collocations Dictionaryverbs
    • be
    • become
    • keep (somebody)
    adverb
    • extremely
    • fairly
    • very
    preposition
    • against
    • in
    See full entry
  2. taking part

  3. involved in something; making a determined effort and not leaving something to happen by itself
    • They were both politically active.
    • his active involvement/participation in the arts
    • She takes an active part in school life.
    • He still has an active role in running the company.
    • an active participant/member
    • He is an active member of several professional organizations.
    • At 50, I'm an active participant in my community.
    • active in something She remained active in politics until her death.
    • active in doing something The parents were active in campaigning against cuts to the education budget.
    • They took active steps to prevent the spread of the disease.
    Extra Examples
    • She has been active in local politics for some years.
    • When did you first become politically active?
    • a businessman who is equally active in politics
    Oxford Collocations Dictionaryverbs
    • be
    • become
    • keep (somebody)
    adverb
    • extremely
    • fairly
    • very
    preposition
    • against
    • in
    See full entry
  4. doing an activity

  5. doing something regularly; functioning
    • Numbers of sexually active teenagers have continued to rise.
    • These animals are active only at night.
    • The virus is still active in the blood.
    • an active volcano (= likely to erupt)
    opposite inactive compare dormant
    Extra Examples
    • The volcano is highly active.
    • By the age of 18, 65% of teenagers report being sexually active.
    Oxford Collocations Dictionaryverbs
    • be
    • become
    • keep (somebody)
    adverb
    • extremely
    • fairly
    • very
    preposition
    • against
    • in
    See full entry
  6. lively

  7. lively and full of ideas
    • That child has a very active imagination.
    • It's important to remain mentally active after retirement.
    Topics Personal qualitiesc1
  8. working/in use

  9. working; in use or able to be used
    • The old watermill was active until 1960.
    • Ensure the website URL is an active link.
  10. chemical

  11. having or causing a chemical effect
    • What is the active ingredient in aspirin?
    • drugs that are active against cancers
    opposite inactive
    Oxford Collocations Dictionaryverbs
    • be
    • become
    • keep (somebody)
    adverb
    • extremely
    • fairly
    • very
    preposition
    • against
    • in
    See full entry
  12. grammar

  13. connected with a verb whose subject is the person or thing that performs the action
    • In ‘He was driving the car’, the verb is active.
    compare passiveTopics Languageb1
  14. Word OriginMiddle English (in the sense ‘preferring action to contemplation’): from Latin activus, from act- ‘done’, from the verb agere.
See active in the Oxford Advanced American DictionarySee active in the Oxford Learner's Dictionary of Academic English
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