1. possessing or exerting or displaying energy

- an energetic fund raiser for the college

- an energetic group of hikers

- it caused an energetic chemical reaction

Similar word(s): active, lively, dynamic, dynamical, physical, alert, brisk, lively, merry, rattling, snappy, spanking, zippy, canty, driving, indefatigable, tireless, unflagging, unwearying, strenuous, vigorous, enterprising, spirited

Sentences with energetic as an adjective:

- Cosmic rays are energetic particles from outer space.

- Those kids are so energetic: they want to run around playing all day.

- energetic laws