'John is the most handsome boy in the class' is an example of the superlative form of what?

The statement "John is the most handsome boy in the class" illustrates the superlative form of an adjective. The term "handsome" describes a quality or characteristic of John, and in this context, "most handsome" is used to express that he possesses that quality to the greatest degree compared to his peers. The superlative form indicates the highest level of a particular quality, which is a defining feature of adjectives. Adjectives are words that modify nouns, providing additional information about a person, place, or thing, which is exactly what is happening in this sentence when describing John.