Loss (noun)

1. The fact or process of losing something or someone.
2. Something that is lost.
3. The failure to win a game or competition.
4. A disadvantage or drawback.
5. A financial deficit.

Origin:

Middle english: from old norse los.

Examples:

1. Her loss was a great disappointment to the team.
2. The loss of their home was a devastating blow.
3. The company reported a loss for the quarter.
4. The team suffered a loss in the championship game.
5. She was aware of the potential loss of privacy.