Which term is used to describe something that is not worthy of attention or respect?

The term "unworthy" precisely defines something that lacks merit, value, or respect. In various contexts, it signifies an absence of deservingness, whether referring to actions, individuals, or objects. This term directly conveys the idea that something does not warrant attention or regard.

In contrast, "sparse" refers to something that is thinly scattered or not abundant, which does not inherently imply a lack of worthiness or respect. "Harrow" describes an agricultural tool or can mean to distress or disturb, failing to reference the concept of being unworthy. "Lurking" typically means remaining hidden or concealed, often with a sense of stealth, and it does not relate to the idea of being deserving or lacking merit. Thus, "unworthy" stands out as the most fitting description for something that does not merit attention or respect.