ETYM French actif, Latin activus, from agere to act.
1. Characterized by energetic activity.
2. Characterized by energetic bodily activity; SYN. physical.
3. (Grammar) Expressing action rather than a state of being; used of verbs (e.g. 'to run') and participial adjectives (e.g. 'running' in 'running water'); SYN. dynamic.
4. (Military) Engaged in or ready for military or naval operations; SYN. combat-ready, fighting.
5. (Of e.g. volcanos) Being in a state of action or potential action.
6. (Pathology) Tending to become more severe or wider in scope.
7. Being in physical motion; SYN. on the move.
8. (Astronomy; of the sun) Characterized by a high level activity in sunspots and flares and radio emissions.
9. Disposed to take action or effectuate change.
10. Exerting influence or producing an effect.
11. Engaged in full-time work; (military).
12. In operation.
13. Taking part in an activity; SYN. participating. + prikaži više

ETYM Greek, powerful, from dunamis power; cf. Latin durus hard, Eng. dure: cf. French dynamique.
1. Characterized by action or forcefulness or force of personality; SYN. dynamical.
2. (Physics) Of or relating to dynamics.

ETYM Greek, from en in + ergon work. Related to Energy.
1. Possessing or exerting or displaying energy.
2. Working hard to promote an enterprise; SYN. gumptious, industrious, up-and-coming.

1. Characterized by motion
2. Relating to the motion of material bodies and the forces associated therewith
3. Of or due to movement.

The branch of mechanics concerned with the forces that cause motions of bodies; SYN. kinetics.
Or kinetics In mechanics, the mathematical and physical study of the behavior of bodies under the action of forces that produce changes of motion in them.