I. verb
1.
Synonyms: be , breathe, exist, move, subsist
2.
Synonyms: reside 1, abide, bide, ||dig, dwell, hang out
II. adjective
Synonyms: active 1, alive, dynamic, functioning, operative, running, working
Related Word: effective, effectual, efficacious, efficient
Antonyms: inactive, inert; dormant ( as a volcano ); defunct ( as an institution, journal )