active

B1
US /ˈæk.tɪv/
adj Freq #3727

Meanings

  1. 1
    adj

    characterized by energetic activity

    an active toddler

  2. 2
    adj

    engaged in full-time work

    active duty

  3. 3
    adj

    full of activity or engaged in continuous activity

    an active seaport

  4. 4
    adj

    tending to become more severe or wider in scope

    active tuberculosis

  5. 5
    adj

    disposed to take action or effectuate change

    a director who takes an active interest in corporate operations

  6. 6
    adj

    (of e.g. volcanos) erupting or liable to erupt

    active volcanos

  7. 7
    adj

    capable of erupting

    The volcano is still active to this day.

  8. 8
    adj

    exerting influence or producing a change or effect

    an active ingredient

Etymology

Etymology tree Proto-Indo-European *h₂eǵ- Proto-Indo-European *-eti Proto-Indo-European *h₂éǵeti Proto-Italic *agō Latin agō Proto-Indo-European *-wósder. Latin -īvus ▲ Ancient Greek ἐνεργητῐκός (energētĭkós)sl. Latin āctīvusbor. Old French actifbor. Middle English actyf English active From Middle English actyf, from Old French actif, from Latin āctīv(us), from agere (“to do, to act”), ultimately from Proto-Indo-European *h₂éǵeti. By surface analysis, act + -ive.

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Thesaurus

Synonyms
7 adj · capable of erupting live
More abuzzagileairyaliveanimateanimatedbriskbusybuxombuzzingdiligentdriven
Opposites
enervatedextincthaggardinactivelithernondrivenquietrestfulsleepingslow
Word family
Derived forms actifanactimetryactivaseactivateactivelyactivenessactivewearactivismactivistactivityactivizeactometry
Related forms actproactiveversatileyoung

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