In household terms, a pest can be defined as:

Defining a pest in household terms encompasses a broader scope than just specific categories, making "any unwanted creature" the correct answer. This definition reflects the general understanding that pests can range from various forms of wildlife, including insects, rodents, birds, and even plants that disrupt daily living or cause harm to property. The term is not limited by species but is instead concerned with the impact the creature has on the household environment and its occupants. This perspective allows for a comprehensive approach to pest management, which may involve different strategies based on the type of pest in question.

A focus on only insects, wild animals, or rodents ignores the diverse range of organisms that could be considered pests, thus limiting the understanding of the term and its application in pest control and management.