General Antonyms:
* Negligence: Lack of care or attention.
* Apathy: Lack of interest, enthusiasm, or concern.
* Indifference: Lack of feeling or concern.
* Disregard: Lack of respect or attention.
* Laziness: Disinclination to work or exert effort.
* Carelessness: Lack of attention to detail or safety.
More Specific Antonyms:
* Distraction: Something that takes your attention away from something else.
* Procrastination: Delaying or postponing a task.
* Abandonment: The act of giving up on something.
* Betrayal: An act of breaking a trust or promise.
The best antonym will depend on the specific situation and the meaning you want to convey.