Is the word in bold an adjective or an adverb?Did you notice that Felix refills his coffee cup rather frequently?

In the sentence "Did you notice that Felix refills his coffee cup rather frequently?", the word in bold "rather" is an adverb.

Explanation:

1. Function of the Word: Adverbs modify verbs, adjectives, or other adverbs. In this case, "rather" is modifying the adverb "frequently," which describes how often Felix refills his coffee cup.

2. Contextual Clue: The phrase "rather frequently" suggests a degree of frequency, which is characteristic of adverbs that provide more information about the manner or intensity of the action.

In summary, "rather" functions to intensify the adverb "frequently," making it clear that the action happens with a considerable regularity. Thus, it confirms that "rather" is indeed an adverb in this context.