Define: Active

Active (adjective):

1. Engaged in physical or mental activity; characterized by movement, energy, or vigor.
Example: “She leads an active lifestyle, participating in various sports and outdoor activities.

2. In operation or functioning; not idle or dormant.
Example: “The volcano is currently active and could erupt at any moment.”

3. Involved or participating in a particular activity or organisation.
Example: “He is an active member of the local community, volunteering for various causes.”

4. Showing strong interest or enthusiasm; proactive.
Example: “She is an active learner, always seeking new knowledge and engaging in discussions.”

5. Describing a verb or sentence structure that indicates the subject is performing the action.
Example: “In the sentence ‘She runs every morning,’ ‘runs’ is an active verb.”

6. Having a direct effect or influence on a particular process or situation.
Example: “The active ingredient in the medication helps alleviate pain and reduce inflammation.”

7. Currently in use or valid; not expired or canceled.
Example: “Make sure your passport is active before planning your trip.”

8. (Chemistry) Describing a substance or element that readily reacts with other substances.
Example: “Sodium is an active metal that reacts violently with water.”

Note: The dictionary definition provided above is a general definition and may vary in different contexts or fields.