Definition of "inactive" in English

adjective

1. Not active, temporarily or permanently.

   • The volcano is inactive, but is only dormant.
   • Inactive user accounts may be deleted after 90 days.

2. Not engaging in physical activity.

3. Not functioning or operating; broken down

   • The photocopier is inactive pending repair.

4. Retired from duty or service.

   • Admiral Jones is now on the inactive list.

5. (chemistry) Relatively inert.

   • Aluminium is inactive towards water.

6. (physics) Showing no optical activity in polarized light.

   • Synthetic glycine is optically inactive as it contains equal amounts of the d- and l- form.

noun

1. A person who does not take action.