1. the act of giving up or leaving something or someone completely
2. the state of being left alone or deserted
3. complete lack of restraint or control in behavior

Examples

• The abandonment of the old factory left the neighborhood in decline.
• She felt a deep sense of abandonment after her friends moved away.
• The project’s abandonment was announced due to lack of funding.
• Child abandonment is a serious crime in most countries.
• He danced with complete abandonment at the celebration.
• The abandonment of safety protocols led to the accident.
• Her abandonment of her diet lasted only three days.