active
ac-tive
adjective
(Grammar) Denoting a verb form where the subject performs the action.
"'The dog chased the ball' is active voice."
adjective
Currently functioning, operating, or having an effect.
"The active ingredient works quickly."
adjective
Engaged in activity; busy and full of energy.
"She leads a very active lifestyle."
Thesaurus
Synonyms: activated, live, alive, active voice, eruptive, open, bustling, brisk, going, springy, busy, activistic
Antonyms: dormant, extinct, inactive, passive, passive voice, quiet, stative