Meanings
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1
adj
busy doing things, especially physical activities
My grandmother is still very active at eighty.
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2
adj
taking part in something in a busy, involved way
She takes an active role in the local community.
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3
adj
working, in operation, or having an effect
The active ingredient in the medicine reduces pain.
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4
adj
likely to erupt; currently erupting (of a volcano)
The volcano is still active and could erupt at any time.
Thesaurus
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.