adjective / noun

active

AK-tiv/ˈæktɪv/

Doing or producing action rather than remaining passive.

The active young man runs along the park path with energetic strides.

A young adult man runs energetically along a short park path, visibly caught mid-stride with pumping arms and one foot lifted well behind him.
Etymology

Built on “a doing,” active describes participation rather than passivity. Its early contrast with a contemplative life broadened to being lively, working, or in operation.

In context

wikipedia tts11:49
villagers were active participants in their local politics even though they were forced to use indirect methods.
Peasant | Wikipedia audio article

More examples

  • The club has more than fifty active members.
  • In the active voice, the subject performs the verb's action.
  • Rewrite that passive sentence in the active.

Similar words

busy
Emphasizes having tasks to do rather than acting generally.
energetic
Emphasizes vigor rather than participation or grammatical agency.