active

adj

1. Having the power or quality of acting; causing change; communicating action or motion; acting;—opposed to passive, that receives.

   “certain active principles”

   “the active powers of the mind”

2. Quick in physical movement; of an agile and vigorous body; nimble.

   “an active child or animal”

3. In action; actually proceeding; working; in force

   “active laws”

   “active hostilities”

4. (specifically)In action; actually proceeding; working; in force
5. Given to action; constantly engaged in action; energetic; diligent; busy

   “an active man of business”

   “active mind”

   “active zeal”

   “This new-comer was a man who in any company would have seemed striking.[…]He was smooth-faced, and his fresh skin and well-developed figure bespoke the man in good physical condition through active exercise, yet well content with the world's apportionment.”

6. Requiring or implying action or exertion

   “active employment or service”

   “active scenes”

7. Given to action rather than contemplation; practical; operative

   “an active rather than a speculative statesman”

8. Brisk; lively.

   “an active demand for corn”

9. Implying or producing rapid action.

   “an active disease”

   “an active remedy”

10. About verbs.
11. About verbs.
12. About verbs.
13. Eligible to be processed by a compiler or interpreter.

    “I think it should be upgraded to Visual BASIC, but I'm no good at that. So maybe someone here would like to take a crack at it. There are only 40 lines of active code, plus a few REMs. About 100 BASIC commands altogether.”

    “Edge uses green text for comments. This makes it easier for you to quickly differentiate between active code and comments.”

14. Not passive.
15. (slang)enjoying a role in anal sex in which he penetrates, rather than being penetrated by his partner.

noun

1. A person or thing that is acting or capable of acting.

   “"Alumni could become more active in giving guidance and leadership to students. They act as sort of a 'maturity governor' on fraternities," notes Ratliff, citing surveys suggesting that fraternity actives presume mistakenly that alumni want hazing […]”

2. Any component that is not passive. See Passivity (engineering).

   “Components are split into two broad segments: actives and passives. Active components like the vacuum tube and the transistor contain the power to generate and alter electrical signals.”