What word describes a careless or slovenly manner of behavior?

The correct answer encompasses a range of behaviors and appearances that can be described as careless or slovenly. Each of the words provided highlights different nuances that contribute to this overall meaning.

Haphazard indicates a lack of planning or organization, often leading to a messy or chaotic result. This can certainly describe behavior that is careless, as actions taken without thought can lead to a slovenly outcome.

Negligent refers specifically to a failure to take proper care in doing something. When someone is negligent, they may overlook important details or responsibilities, resulting in careless behavior. This term captures the essence of being irresponsible in a way that leads to disorder.

Unkempt describes a physical appearance that is messy or not well-groomed. It conveys a sense of neglect regarding one’s personal upkeep, which can be seen as a manifestation of slovenly behavior.

Since each of these words highlights a particular aspect of carelessness and disarray, the answer "All of the above" effectively acknowledges that they are all valid descriptors of a careless or slovenly manner of behavior.