Complete the sentence with the correct word.The cat continued his nightly around the neighborhood in circles to search for more food.

The most appropriate word to complete the sentence is "prowling."

So the complete sentence would read: "The cat continued his nightly prowling around the neighborhood in circles to search for more food."

"Prowling" is often used to describe the stealthy, wandering movement of animals, particularly predators like cats. In this context, it conveys a sense of the cat's instinctive behavior as it roams its territory, looking for food while staying alert to any potential threats or opportunities. This choice of word also implies a level of independence and curiosity typical of cats, enhancing the imagery of the scene.