In a state of action; in force or operation; existent.
Carrying electrical current; energized.
Having life; living; not dead.
Susceptible, sensitive; easy to impress; having keen feelings, as opposed to apathy.
Synonym of live
Out of all living creatures.
Sprightly; lively; brisk.
Busy with activity of many living beings; swarming; thronged; busy.
That operates to produce an effect.
Any of a class of behaviors that produce consequences by operating (i.e., acting) upon the environment.
An operative person or thing.