Inactive (adjective)

1. Not active or participating in an activity; not engaged.
2. Not functioning or operating; not in use.
3. Not having any effect or producing no results.

Origin:

From the latin word "inactivus" meaning "not active".

Examples:

1. The volcano was inactive for many years.
2. The account was inactive for over a year.
3. The stock was inactive and not trading on the market.
4. The company was inactive due to lack of funds.
5. The player was inactive during the game due to injury.